coreutils*: use short more info links (#5658)

This commit is contained in:
Dario Vladović
2021-04-01 17:54:26 +02:00
committed by GitHub
parent 88aad91d65
commit 4830093903
285 changed files with 285 additions and 285 deletions

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> Evaluate condition.
> Returns 0 if the condition evaluates to true, 1 if it evaluates to false.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/test-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/test>.
- Test if a given variable is equal to a given string:

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> Display the name of the system architecture.
> See also `uname`.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/arch-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/arch>.
- Display the system's architecture:

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# b2sum
> Calculate BLAKE2 cryptographic checksums.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/b2sum-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/b2sum>.
- Calculate the BLAKE2 checksum for a file:

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# base32
> Encode or decode file or standard input to/from Base32, to standard output.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/base32-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/base32>.
- Encode a file:

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# base64
> Encode or decode file or standard input to/from Base64, to standard output.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/base64-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/base64>.
- Encode a file:

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# basename
> Remove leading directory portions from a path.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/basename-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/basename>.
- Show only the file name from a path:

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# cat
> Print and concatenate files.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/cat-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/cat>.
- Print the contents of a file to the standard output:

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# chcon
> Change SELinux security context of a file or files/directories.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/chcon-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/chcon>.
- View security context of a file:

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# chgrp
> Change group ownership of files and directories.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/chgrp-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/chgrp>.
- Change the owner group of a file/directory:

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# chmod
> Change the access permissions of a file or directory.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/chmod-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/chmod>.
- Give the [u]ser who owns a file the right to e[x]ecute it:

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# chown
> Change user and group ownership of files and directories.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/chown-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/chown>.
- Change the owner user of a file/directory:

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# chroot
> Run command or interactive shell with special root directory.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/chroot-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/chroot>.
- Run command as new root directory:

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> Calculates CRC checksums and byte counts of a file.
> Note, on old UNIX systems the CRC implementation may differ.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/cksum-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/cksum>.
- Display a 32 bit checksum, size in bytes and filename:

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# comm
> Select or reject lines common to two files. Both files must be sorted.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/comm-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/comm>.
- Produce three tab-separated columns: lines only in first file, lines only in second file and common lines:

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# cp
> Copy files and directories.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/cp-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/cp>.
- Copy a file to another location:

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# cut
> Cut out fields from stdin or files.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/cut-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/cut>.
- Cut out the first sixteen characters of each line of stdin:

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# date
> Set or display the system date.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/date-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/date>.
- Display the current date using the default locale's format:

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# dd
> Convert and copy a file.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/dd-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/dd>.
- Make a bootable usb drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:

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# df
> Gives an overview of the filesystem disk space usage.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/df-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/df>.
- Display all filesystems and their disk usage:

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# dircolors
> Output commands to set the LS_COLOR environment variable and style `ls`, `dir`, etc.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/dircolors-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/dircolors>.
- Output commands to set LS_COLOR using default colors:

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# dirname
> Calculates the parent directory of a given file or directory path.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/dirname-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/dirname>.
- Calculate the parent directory of a given path:

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# du
> Disk usage: estimate and summarize file and directory space usage.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/du-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/du>.
- List the sizes of a directory and any subdirectories, in the given unit (B/KB/MB):

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# echo
> Print given arguments.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/echo-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/echo>.
- Print a text message. Note: quotes are optional:

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# env
> Show the environment or run a program in a modified environment.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/env-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/env>.
- Show the environment:

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# expand
> Convert tabs to spaces.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/expand-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/expand>.
- Convert tabs in each file to spaces, writing to standard output:

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# expr
> Evaluate expressions and manipulate strings.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/expr-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/expr>.
- Get string length:

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# factor
> Prints the prime factorization of a number.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/factor-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/factor>.
- Display the prime-factorization of a number:

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# false
> Returns an exit code of 1.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/false-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/false>.
- Return an exit code of 1:

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# fmt
> Reformat a text file by joining its paragraphs and limiting the line width to given number of characters (75 by default).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/fmt-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/fmt>.
- Reformat a file:

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# fold
> Wraps each line in an input file to fit a specified width and prints it to the standard output.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/fold-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/fold>.
- Wrap each line to default width (80 characters):

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# groups
> Print group memberships for a user.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/groups-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/groups>.
- Print group memberships for the current user:

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# head
> Output the first part of files.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/head-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/head>.
- Output the first few lines of a file:

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# hostid
> Prints the numeric identifier for the current host (not necessarily the IP address).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/hostid-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/hostid>.
- Display the numeric identifier for the current host in hexadecimal:

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# id
> Display current user and group identity.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/id-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/id>.
- Display current user's id (UID), group id (GID) and groups to which they belong:

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> Copy files and set attributes.
> Copy files (often executable) to a system location like `/usr/local/bin`, give them the appropriate permissions/ownership.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/install-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/install>.
- Copy files to destination:

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# join
> Join lines of two sorted files on a common field.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/join-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/join>.
- Join two files on the first (default) field:

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> Create a hard link to an existing file.
> For more options, see the `ln` command.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/link-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/link>.
- Create a hard link from a new file to an existing file:

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# ln
> Creates links to files and directories.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/ln-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/ln>.
- Create a symbolic link to a file or directory:

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# logname
> Shows the user's login name.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/logname-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/logname>.
- Display the currently logged in user's name:

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# ls
> List directory contents.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/ls-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/ls>.
- List files one per line:

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# md5sum
> Calculate MD5 cryptographic checksums.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/md5sum-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/md5sum>.
- Calculate the MD5 checksum for a file:

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# mkdir
> Creates a directory.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/mkdir-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/mkdir>.
- Create a directory in current directory or given path:

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# mkfifo
> Makes FIFOs (named pipes).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/mkfifo-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/mkfifo>.
- Create a named pipe at a given path:

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# mv
> Move or rename files and directories.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/mv-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/mv>.
- Move files in arbitrary locations:

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> Execute a program with a custom scheduling priority (niceness).
> Niceness values range from -20 (the highest priority) to 19 (the lowest).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/nice-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/nice>.
- Launch a program with altered priority:

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# nl
> A utility for numbering lines, either from a file, or from standard input.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/nl-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/nl>.
- Number non-blank lines in a file:

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# nohup
> Allows for a process to live when the terminal gets killed.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/nohup-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/nohup>.
- Run process that can live beyond the terminal:

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# nproc
> Print the number of processing units (normally CPUs) available.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/nproc-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/nproc>.
- Display the number of available processing units:

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# numfmt
> Convert numbers to and from human-readable strings.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/numfmt-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/numfmt>.
- Convert 1.5K (SI Units) to 1500:

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> Display file contents in octal, decimal or hexadecimal format.
> Optionally display the byte offsets and/or printable representation for each line.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/od-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/od>.
- Display file using default settings: octal format, 8 bytes per line, byte offsets in octal, and duplicate lines replaced with `*`:

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# paste
> Merge lines of files.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/paste-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/paste>.
- Join all the lines into a single line, using TAB as delimiter:

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# pathchk
> Check the validity and portability of one or more pathnames.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/pathchk-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/pathchk>.
- Check pathames for validity in the current system:

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# pr
> Paginate or columnate files for printing.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/pr-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/pr>.
- Print multiple files with a default header and footer:

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# printenv
> Print values of all or specific environment variables.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/printenv-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/printenv>.
- Display key-value pairs of all environment variables:

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# printf
> Format and print text.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/printf-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/printf>.
- Print a text message:

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# pwd
> Print name of current/working directory.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/pwd-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/pwd>.
- Print the current directory:

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# readlink
> Follow symlinks and get symlink information.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/readlink-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/readlink>.
- Get the actual file to which the symlink points:

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# realpath
> Display the resolved absolute path for a file or directory.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/realpath-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/realpath>.
- Display the absolute path for a file or directory:

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# rm
> Remove files or directories.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/rm-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/rm>.
- Remove files from arbitrary locations:

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# rmdir
> Removes a directory.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/rmdir-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/rmdir>.
- Remove directory, provided it is empty. Use `rm -r` to remove non-empty directories:

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# seq
> Output a sequence of numbers to stdout.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/seq-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/seq>.
- Sequence from 1 to 10:

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# sha1sum
> Calculate SHA1 cryptographic checksums.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/sha1sum-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/sha1sum>.
- Calculate the SHA1 checksum for a file:

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# shred
> Overwrite files to securely delete data.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/shred-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/shred>.
- Overwrite a file:

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# shuf
> Generate random permutations.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/shuf-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/shuf>.
- Randomize the order of lines in a file and output the result:

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# sleep
> Delay for a specified amount of time.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/sleep-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/sleep>.
- Delay in seconds:

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# sort
> Sort lines of text files.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/sort-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/sort>.
- Sort a file in ascending order:

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# split
> Split a file into pieces.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/split-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/split>.
- Split a file, each split having 10 lines (except the last split):

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# stdbuf
> Run a command with modified buffering operations for its standard streams.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/stdbuf-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/stdbuf>.
- Change the standard input buffer size to 512 KiB:

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# stty
> Set options for a terminal device interface.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/stty-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/stty>.
- Display all settings for the current terminal:

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> Compute checksums and the number of blocks for a file.
> A predecessor to the more modern `cksum`.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/sum-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/sum>.
- Compute a checksum with BSD-compatible algorithm and 1024-byte blocks:

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# sync
> Flushes all pending write operations to the appropriate disks.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/sync-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/sync>.
- Flush all pending write operations on all disks:

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# tac
> Print and concatenate files in reverse (last line first).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tac-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/tac>.
- Print the contents of *file1* reversed to the standard output:

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# tail
> Display the last part of a file.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tail-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/tail>.
- Show last 'num' lines in file:

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# tee
> Read from standard input and write to standard output and files (or commands).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tee-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/tee>.
- Copy standard input to each FILE, and also to standard output:

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> Evaluate condition.
> Returns 0 if the condition evaluates to true, 1 if it evaluates to false.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/test-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/test>.
- Test if a given variable is equal to a given string:

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# timeout
> Run a command with a time limit.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/timeout-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/timeout>.
- Run `sleep 10` and terminate it, if it runs for more than 3 seconds:

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# touch
> Change a file access and modification times (atime, mtime).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/touch-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/touch>.
- Create a new empty file(s) or change the times for existing file(s) to current time:

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# tr
> Translate characters: run replacements based on single characters and character sets.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tr-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/tr>.
- Replace all occurrences of a character in a file, and print the result:

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> Returns a successful exit status code of 0.
> Use this with the || operator to make a command always exit with 0.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/true-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/true>.
- Return a successful exit code:

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# truncate
> Shrink or extend the size of a file to the specified size.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/truncate-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/truncate>.
- Set a size of 10 GB to an exsting file, or create a new file with the specified size:

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> Perform a topological sort.
> A common use is to show the dependency order of nodes in a directed acyclic graph.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tsort-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/tsort>.
- Perform a topological sort consistent with a partial sort per line of input separated by blanks:

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# tty
> Returns terminal name.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/tty-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/tty>.
- Print the file name of this terminal:

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> Print details about the current machine and the operating system running on it.
> Note: for additional information about the operating system, try the `lsb_release` command.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/uname-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/uname>.
- Print hardware-related information: machine and processor:

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# unexpand
> Convert spaces to tabs.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/unexpand-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/unexpand>.
- Convert blanks in each file to tabs, writing to standard output:

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> Output the unique lines from the given input or file.
> Since it does not detect repeated lines unless they are adjacent, we need to sort them first.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/uniq-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/uniq>.
- Display each line once:

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> Remove a link to a file from the filesystem.
> The file contents is lost if the link is the last one to the file.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/unlink-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/unlink>.
- Remove the specified file if it is the last link:

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# uptime
> Tell how long the system has been running and other information.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/uptime-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/uptime>.
- Print current time, uptime, number of logged-in users and other information:

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# users
> Display a list of logged in users.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/users-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/users>.
- Display a list of logged in users:

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> List directory contents.
> Drop-in replacement for `ls -l`.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/vdir-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/vdir>.
- List files and directories in the current directory, one per line, with details:

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# wc
> Count lines, words, or bytes.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/wc-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/wc>.
- Count lines in file:

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# who
> Display who is logged in and related data (processes, boot time).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/who-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/who>.
- Display the username, line, and time of all currently logged-in sessions:

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# whoami
> Print the username associated with the current effective user ID.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/whoami-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/whoami>.
- Display currently logged username:

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> Output something repeatedly.
> This command is commonly used to answer yes to every prompt by install commands (such as apt-get).
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/yes-invocation.html>.
> More information: <https://www.gnu.org/software/coreutils/yes>.
- Repeatedly output "message":