coreutils commands: move pages to common/ folder (#2442)
This commit is contained in:
Felix Yan
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Starbeamrainbowlabs
Starbeamrainbowlabs
parent
9ef7ec119a
commit
72b4f22ff9
@@ -1,19 +0,0 @@
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# b2sum
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> Calculate BLAKE2 cryptographic checksums.
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- Calculate the BLAKE2 checksum for a file:
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`b2sum {{filename1}}`
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- Calculate BLAKE2 checksums for multiple files:
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`b2sum {{filename1}} {{filename2}}`
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- Read a file of BLAKE2 sums and filenames and verify all files have matching checksums:
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`b2sum -c {{filename.b2}}`
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- Calculate the BLAKE2 checksum from stdin:
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`{{somecommand}} | shasum`
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@@ -1,11 +0,0 @@
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# chroot
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> Run command or interactive shell with special root directory.
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- Run command as new root directory:
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`chroot {{/path/to/new/root}} {{command}}`
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- Specify user and group (ID or name) to use:
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`chroot --userspec={{user:group}}`
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@@ -1,19 +0,0 @@
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# date
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> Set or display the system date.
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- Display the current date using the default locale's format:
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`date +"%c"`
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- Display the current date in UTC and ISO 8601 format:
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`date -u +"%Y-%m-%dT%H:%M:%SZ"`
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- Display the current date as a Unix timestamp (seconds since the Unix epoch):
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`date +%s`
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- Display a specific date (represented as a Unix timestamp) using the default format:
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`date -d @1473305798`
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@@ -1,23 +0,0 @@
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# dd
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> Convert and copy a file.
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- Make a bootable usb drive from an isohybrid file (such like archlinux-xxx.iso) and show the progress:
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`dd if={{file.iso}} of=/dev/{{usb_drive}} status=progress`
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- Clone a drive to another drive with 4MB block, ignore error and show progress:
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`dd if=/dev/{{source_drive}} of=/dev/{{dest_drive}} bs=4M conv=noerror status=progress`
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- Generate a file of 100 random bytes by using kernel random driver:
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`dd if=/dev/urandom of={{random_file}} bs=100 count=1`
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- Benchmark the write performance of a disk:
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`dd if=/dev/zero of={{file_1GB}} bs=1024 count=1000000`
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- Check progress of an ongoing dd operation (Run this command from another shell):
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`kill -USR1 $(pgrep ^dd)`
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@@ -1,23 +0,0 @@
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# dircolors
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> Output commands to set the LS_COLOR environment variable and style `ls`, `dir`, etc.
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- Output commands to set LS_COLOR using default colors:
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`dircolors`
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- Output commands to set LS_COLOR using colors from a file:
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`dircolors {{file}}`
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- Output commands for Bourne shell:
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`dircolors --bourne-shell`
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- Output commands for C shell:
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`dircolors --c-shell`
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- View the default colors for file types and extensions:
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`dircolors --print-data`
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@@ -1,15 +0,0 @@
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# dirname
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> Calculates the parent directory of a given file or directory path.
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- Calculate the parent directory of a given path:
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`dirname {{path/to/file_or_directory}}`
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- Calculate the parent directory of multiple paths:
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`dirname {{path/to/file_a}} {{path/to/directory_b}}`
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- Delimit output with a NUL character instead of a newline (useful when combining with `xargs`):
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`dirname --zero {{path/to/directory_a}} {{path/to/file_b}}`
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@@ -1,27 +0,0 @@
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# du
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> Disk usage: estimate and summarize file and folder space usage.
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- List the sizes of a folder and any subfolders, in the given unit (B/KB/MB):
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`du -{{b|k|m}} {{path/to/folder}}`
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- List the sizes of a folder and any subfolders, in human-readable form (i.e. auto-selecting the appropriate unit for each size):
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`du -h {{path/to/folder}}`
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- Show the size of a single folder, in human readable units:
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`du -sh {{path/to/folder}}`
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- List the human-readable sizes of a folder and of all the files and folders within it:
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`du -ah {{path/to/folder}}`
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- List the human-readable sizes of a folder and any subfolders, up to N levels deep:
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`du -h --max-depth=N {{path/to/folder}}`
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- List the human-readable size of all .jpg files in subfolders of the current folder, and show a cumulative total at the end:
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`du -ch */*.jpg`
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@@ -1,23 +0,0 @@
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# expand
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> Convert tabs to spaces.
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- Convert tabs in each file to spaces, writing to standard output:
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`expand {{file}}`
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- Convert tabs to spaces, reading from standard input:
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`expand`
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- Do not convert tabs after non blanks:
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`expand -i {{file}}`
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- Have tabs a certain number of characters apart, not 8:
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`expand -t={{number}} {{file}}`
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- Use comma separated list of explicit tab positions:
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`expand -t={{list}}`
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@@ -1,23 +0,0 @@
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# expr
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> Evaluate expressions and manipulate strings.
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- Get string length:
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`expr length {{string}}`
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- Evaluate logical or math expression with an operator ('+', '-', '*', '&', '|', etc.). Special symbols should be escaped:
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`expr {{first_argument}} {{operator}} {{second_argument}}`
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- Get position of the first character in 'string' that matches 'substring':
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`echo $(expr index {{string}} {{substring}})`
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- Extract part of the string:
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`echo $(expr substr {{string}} {{position_to_start}} {{number_of_characters}}`
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- Extract part of the string which matches a regular expression:
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`echo $(expr {{string}} : '\({{regular_expression}}\)')`
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@@ -1,11 +0,0 @@
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# factor
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> Prints the prime factorization of a number.
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- Display the prime-factorization of a number:
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`factor {{number}}`
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- Take the input from stdin if no argument is specified:
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`echo {{number}} | factor`
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@@ -1,19 +0,0 @@
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# head
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> Output the first part of files.
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- Output the first few lines of a file:
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`head -n {{count_of_lines}} {{filename}}`
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- Output the first few bytes of a file:
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`head -c {{size_in_bytes}} {{filename}}`
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- Output everything but the last few lines of a file:
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`head -n -{{count_of_lines}} {{filename}}`
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- Output everything but the last few bytes of a file:
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`head -c -{{size_in_bytes}} {{filename}}`
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@@ -1,7 +0,0 @@
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# hostid
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> Prints the numeric identifier for the current host (not necessarily the IP address).
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- Display the numeric identifier for the current host in hexadecimal:
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`hostid`
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@@ -1,8 +0,0 @@
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# link
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> Create a hard link to an existing file.
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> For more options, see the `ln` command.
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- Create a hard link from a new file to an existing file:
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`link {{path/to/existing_file}} {{path/to/new_file}}`
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@@ -1,7 +0,0 @@
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# logname
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> Shows the user's login name.
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- Display the currently logged in user's name:
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`logname`
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@@ -1,15 +0,0 @@
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# md5sum
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> Calculate MD5 cryptographic checksums.
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- Calculate the MD5 checksum for a file:
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`md5sum {{filename1}}`
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- Calculate MD5 checksums for multiple files:
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`md5sum {{filename1}} {{filename2}}`
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- Read a file of MD5SUMs and verify all files have matching checksums:
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`md5sum -c {{filename.md5}}`
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@@ -1,23 +0,0 @@
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# nl
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> A utility for numbering lines, either from a file, or from standard input.
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- Number non-blank lines in a file:
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`nl {{file}}`
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- Read from standard output:
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`cat {{file}} | nl {{options}} -`
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- Number only the lines with printable text:
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`nl -t {{file}}`
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- Number all lines including blank lines:
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`nl -b a {{file}}`
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- Number only the body lines that match a basic regular expression (BRE) pattern:
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`nl -b p'FooBar[0-9]' {{file}}`
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@@ -1,15 +0,0 @@
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# nproc
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> Print the number of processing units (normally CPUs) available.
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- Display the number of available processing units:
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`nproc`
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- Display the number of installed processing units, including any inactive ones:
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`nproc --all`
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- If possible, subtract a given number of units from the returned value:
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`nproc --ignore {{count}}`
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@@ -1,15 +0,0 @@
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# numfmt
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> Convert numbers to and from human-readable strings.
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- Convert 1.5K (SI Units) to 1500:
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`numfmt --from={{si}} {{1.5K}}`
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- Convert 5th field (1-indexed) to IEC Units without converting header:
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`ls -l | numfmt --header={{1}} --field={{5}} --to={{iec}}`
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- Convert to IEC units, pad with 5 characters, left aligned:
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`du -s * | numfmt --to={{iec}} --format={{"%-5f"}}`
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@@ -1,27 +0,0 @@
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# pinky
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> Print user information using the `finger` protocol.
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- Display details about the current user:
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`pinky`
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- Display details for a specific user:
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`pinky {{user}}`
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- Display details in the long format:
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`pinky {{user}} -l`
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- Omit the user's home directory and shell in long format:
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`pinky {{user}} -lb`
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- Omit the user's project file in long format:
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`pinky {{user}} -lh`
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- Omit the column headings in short format:
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`pinky {{user}} -f`
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@@ -1,15 +0,0 @@
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# printenv
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> Print values of all or specific environment variables.
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- Display key-value pairs of all environment variables:
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`printenv`
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- Display the value of a specific variable:
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`printenv {{HOME}}`
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- Display the value of a variable and end with NUL instead of newline:
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`printenv --null {{HOME}}`
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@@ -1,23 +0,0 @@
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# realpath
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> Display the resolved absolute path for a file or directory.
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- Display the absolute path for a file or directory:
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`realpath {{path/to/file_or_directory}}`
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- Require all path components to exist:
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`realpath --canonicalize-existing {{path/to/file_or_directory}}`
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- Resolve ".." components before symlinks:
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`realpath --logical {{path/to/file_or_directory}}`
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- Disable symlink expansion:
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`realpath --no-symlinks {{path/to/file_or_directory}}`
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- Suppress error messages:
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`realpath --quiet {{path/to/file_or_directory}}`
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@@ -1,15 +0,0 @@
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# sha1sum
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> Calculate SHA1 cryptographic checksums.
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- Calculate the SHA1 checksum for a file:
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`sha1sum {{filename1}}`
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- Calculate SHA1 checksums for multiple files:
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`sha1sum {{filename1}} {{filename2}}`
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- Read a file of SHA1 sums and verify all files have matching checksums:
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`sha1sum -c {{filename.sha1}}`
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@@ -1,15 +0,0 @@
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# sha224sum
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> Calculate SHA224 cryptographic checksums.
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- Calculate the SHA224 checksum for a file:
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`sha224sum {{filename1}}`
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- Calculate SHA224 checksums for multiple files:
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`sha224sum {{filename1}} {{filename2}}`
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- Read a file of SHA224 sums and verify all files have matching checksums:
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`sha224sum -c {{filename.sha224}}`
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@@ -1,15 +0,0 @@
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# sha256sum
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> Calculate SHA256 cryptographic checksums.
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- Calculate the SHA256 checksum for a file:
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`sha256sum {{filename1}}`
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- Calculate SHA256 checksums for multiple files:
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`sha256sum {{filename1}} {{filename2}}`
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- Read a file of SHA256 sums and verify all files have matching checksums:
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`sha256sum -c {{filename.sha256}}`
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@@ -1,15 +0,0 @@
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# sha384sum
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> Calculate SHA384 cryptographic checksums.
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- Calculate the SHA384 checksum for a file:
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`sha384sum {{filename1}}`
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- Calculate SHA384 checksums for multiple files:
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`sha384sum {{filename1}} {{filename2}}`
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- Read a file of SHA384 sums and verify all files have matching checksums:
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`sha384sum -c {{filename.sha384}}`
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@@ -1,15 +0,0 @@
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# sha512sum
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> Calculate SHA512 cryptographic checksums.
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- Calculate the SHA512 checksum for a file:
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`sha512sum {{filename1}}`
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- Calculate SHA512 checksums for multiple files:
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`sha512sum {{filename1}} {{filename2}}`
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- Read a file of SHA512 sums and verify all files have matching checksums:
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`sha512sum -c {{filename.sha512}}`
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@@ -1,19 +0,0 @@
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# shuf
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> Generate random permutations.
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- Randomize the order of lines in a file and output the result:
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`shuf {{filename}}`
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- Only output the first 5 entries of the result:
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`shuf -n {{5}} {{filename}}`
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- Write the output to another file:
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`shuf {{filename}} -o {{output_filename}}`
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- Generate random numbers in range:
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`shuf -i {{1-10}}`
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@@ -1,23 +0,0 @@
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# sort
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> Sort lines of text files.
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- Sort a file in ascending order:
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`sort {{filename}}`
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- Sort a file in descending order:
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`sort -r {{filename}}`
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- Sort a file using numeric rather than alphabetic order:
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`sort -n {{filename}}`
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- Sort the passwd file by the 3rd field, numerically:
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`sort -t: -k 3n /etc/passwd`
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- Sort human-readable numbers (in this case the 5th field of `ls -lh`):
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`ls -lh | sort -h -k 5`
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@@ -1,27 +0,0 @@
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# stat
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> Display file and filesystem information.
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- Show file properties such as size, permissions, creation and access dates among others:
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`stat {{file}}`
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- Same as above but in a more concise way:
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`stat -t {{file}}`
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- Show filesystem information:
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`stat -f {{file}}`
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- Show only octal file permissions:
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`stat -c "%a %n" {{file}}`
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- Show owner and group of the file:
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`stat -c "%U %G" {{file}}`
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- Show the size of the file in bytes:
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`stat -c "%s %n" {{file}}`
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@@ -1,23 +0,0 @@
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# stty
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> Set options for a terminal device interface.
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- Display all settings for the current terminal:
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`stty -a`
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- Set the number of rows:
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`stty rows {{rows}}`
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- Set the number of columns:
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`stty cols {{cols}}`
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- Get the actual transfer speed of a device:
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`stty -f {{path/to/device_file}} speed`
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- Reset all modes to reasonable values for the current terminal:
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`stty sane`
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@@ -1,11 +0,0 @@
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# timeout
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> Run a command with a time limit.
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||||
|
||||
- Run `sleep 10` and kill it, if it's running after 3 seconds:
|
||||
|
||||
`timeout {{3s}} {{sleep 10}}`
|
||||
|
||||
- Specify the signal to be sent to the command after the time limit expires. (By default, TERM is sent):
|
||||
|
||||
`timeout --signal {{INT}} {{5s}} {{sleep 10}}`
|
||||
@@ -1,15 +0,0 @@
|
||||
# truncate
|
||||
|
||||
> Shrink or extend the size of a file to the specified size.
|
||||
|
||||
- Set a size of 10 GB to an exsting file, or create a new file with the specified size:
|
||||
|
||||
`truncate -s {{10G}} {{filename}}`
|
||||
|
||||
- Extend the file size by 50M, fill with holes (which reads as zero bytes):
|
||||
|
||||
`truncate -s +{{50M}} {{filename}}`
|
||||
|
||||
- Shrink the file by 2GiB, by removing data from the end of file:
|
||||
|
||||
`truncate -s -{{2G}} {{filename}`
|
||||
@@ -1,20 +0,0 @@
|
||||
# uname
|
||||
|
||||
> 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.
|
||||
|
||||
- Print hardware-related information: machine and processor:
|
||||
|
||||
`uname -mp`
|
||||
|
||||
- Print software-related information: operating system, release number, and version:
|
||||
|
||||
`uname -srv`
|
||||
|
||||
- Print the nodename (hostname) of the system:
|
||||
|
||||
`uname -n`
|
||||
|
||||
- Print all available system information (hardware, software, nodename):
|
||||
|
||||
`uname -a`
|
||||
@@ -1,23 +0,0 @@
|
||||
# unexpand
|
||||
|
||||
> Convert spaces to tabs.
|
||||
|
||||
- Convert blanks in each file to tabs, writing to standard output:
|
||||
|
||||
`unexpand {{file}}`
|
||||
|
||||
- Convert blanks to tabs, reading from standard output:
|
||||
|
||||
`unexpand`
|
||||
|
||||
- Convert all blanks, instead of just initial blanks:
|
||||
|
||||
`unexpand -a {{file}}`
|
||||
|
||||
- Convert only leading sequences of blanks (overrides -a):
|
||||
|
||||
`unexpand --first-only {{file}}`
|
||||
|
||||
- Have tabs a certain number of characters apart, not 8 (enables -a):
|
||||
|
||||
`unexpand -t {{number}} {{file}}`
|
||||
@@ -1,11 +0,0 @@
|
||||
# users
|
||||
|
||||
> Display a list of logged in users.
|
||||
|
||||
- Display a list of logged in users:
|
||||
|
||||
`users`
|
||||
|
||||
- Display a list of logged in users according to a specific file:
|
||||
|
||||
`users {{/var/log/wmtp}}`
|
||||
Reference in New Issue
Block a user