Move OS X and Linux pages into pages/common
This commit is contained in:
Zlatan Vasović
19
osx/chown.md
19
osx/chown.md
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# chown
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> Change the owning user/group of the specified files
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- change the user of a file
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`chown {{user}} {{path/to/file}}`
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- change the user and group of a file
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`chown {{user}}:{{group}} {{path/to/file}}`
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- recursively change the owner of an entire folder
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`chown -R {{user}} {{path/to/folder}}`
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- change the owner of a symbolic link
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`chown -h {{user}} {{path/to/symlink}}`
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20
osx/curl.md
20
osx/curl.md
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# curl
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> Transfers data from or to a server
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> Supports most protocols including HTTP, FTP, POP
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- send form-encoded data
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`curl --data {{name=bob}} {{http://localhost/form}}`
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- send JSON data
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`curl -X POST -H "Content-Type: application/json" -d {{'{"name":"bob"}'}} {{http://localhost/login}}`
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- specify an HTTP method
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`curl -X {{DELETE}} {{http://localhost/item/123}}`
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- head request
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`curl --head {{http://localhost}}`
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12
osx/df.md
12
osx/df.md
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# df
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> gives an overview of the file system disk space usage
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- display all file systems and their disk usage
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`df`
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- display all file systems and their disk usage in human readable form
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`df -h`
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19
osx/du.md
19
osx/du.md
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# du
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> Estimate file space usage
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- get file sizes of directory's content
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`du {{file/directory}}`
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- get total size in human readable form
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`du -sh {{file/directory}}`
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- get recursively, individual file/folder sizes in human readable form
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`du -ah {{directory}}`
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- get file sizes till a specified depth
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`du --max-depth=1`
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20
osx/find.md
20
osx/find.md
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# find
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> Find files under the given directory tree, recursively
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- find files by extension
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`find {{root_path}} -name {{'*.py'}}`
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- run a command for each file
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- use {} within the command to access the filename
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`find {{root_path}} -name {{'*.py'}} -exec {{command}} \;`
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- find files modified since a certain time
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`find {{root_path}} -name {{'*.py'}} -mtime {{-1d}}`
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- remove files recursively
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`find {{root_path}} -name {{'*.py'}} -exec rm {} \;`
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# git stash
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> Stash local Git changes in a temporary area
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- stash current changes (except new files)
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`git stash {{optional_stash_name}}`
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- include new files in the stash (leaves the index completely clean)
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`git stash -u {{optional_stash_name}}`
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- list all stashes
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`git stash list`
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- re-apply the latest stash
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`git stash pop`
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- re-apply a stash by name
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`git stash apply {{stash_name}}`
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28
osx/grep.md
28
osx/grep.md
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# grep
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> Matches patterns in input text
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> Supports simple patterns and regular expressions
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- search for an exact string
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`grep {{something}} {{file_path}}`
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- search recursively in current directory for an exact string
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`grep -r {{something}} .`
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- use a regex
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`grep -e {{^regex$}} {{file_path}}`
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- see 3 lines of context
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`grep -C 3 {{something}} {{file_path}}`
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- print the number of matches
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`grep -c {{something}} {{file_path}}`
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- use the standard input instead of a file
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`cat {{file_path}} | grep {{something}}`
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25
osx/less.md
25
osx/less.md
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# less
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> Opens a file for reading
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> Allows movement and search
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> Doesn't read the entire file (suitable for logs)
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- open a file
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`less {{source_file}}`
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- page up / down
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`d (next), D (previous)`
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- go to start / end of file
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`g (start), G (end)`
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- search for a string
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`/{{something}} then n (next), N (previous)`
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- exit
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`q`
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26
osx/ls.md
26
osx/ls.md
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# ls
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> List directory contents
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- List all files, even hidden
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`ls -a`
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- Sorting by size
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`ls -s`
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- List all files with their rights, groups, owner
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`ls -ls`
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- List all files with a prefix/suffix
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`ls {{prefix}}*` or `ls *{{suffix}}`
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- Sort files by time
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`-t` for last modified
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`-U` for date of creation
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`-r` reverses the list
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`ls -tr`
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15
osx/lsof.md
15
osx/lsof.md
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# lsof
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> Lists open files and the corresponding processes
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- find the processes that have a given file open
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`lsof {{/path/to/file}}`
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- find the process that opened a local internet port
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`lsof -i :{{8080}}`
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- only output the process PID (e.g. to pipe into kill)
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`lsof -t {{/path/to/file}} | xargs kill -9`
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11
osx/mkdir.md
11
osx/mkdir.md
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# mkdir
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> Creates a directory
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- creates a directory in current folder or given path
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`mkdir {{directory}}`
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- creates directories recursively (useful for creating nested dirs)
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`mkdir -p {{path}}`
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# ps
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> Information about running processes
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- list all running processes
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`ps aux`
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21
osx/rsync.md
21
osx/rsync.md
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# rsync
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> Transfers a file either to or from a remote host
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> Does not allow transfer between two remote hosts
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> Can transfer single files or files matched by pattern
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- transfer file from local to remote host
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`rsync {{path_to_file}} {{remote_host_name}}:{{remote_host_location}}`
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- transfer file from remote host to local
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`rsync {{remote_host_name}}:{{remote_file_location}} {{local_file_location}}`
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- transfer all *.js files in current directory to host 'devbox' as user 'mike'
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`rsync *.js mike@devbox:~/projects/cakeStore/styles/`
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- transfer a directory and all its children from a remote to local
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`rsync -r mike@devbox:~/projects/cakeStore /Users/mike/devProjects/`
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18
osx/scp.md
18
osx/scp.md
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# scp
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> Copies files between hosts on a network
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> Works over a secure connection (SSH)
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- upload a file or directory
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`scp {{/local/file}} {{10.0.0.1}}:{{/remote/path/}}`
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`scp {{/local/file}} {{10.0.0.1}}:{{/remote/path/newname}}`
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`scp -r {{/local/folder}} {{10.0.0.1}}:{{/remote/path/}}`
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- download a file (reversed)
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`scp {{10.0.0.1}}:{{/remote/path/filename}} {{/local/file}}`
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- specify credentials
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`scp {{/local/file}} {{my_user}}@{{10.0.0.1}}:{{/remote/path/}}`
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16
osx/sed.md
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osx/sed.md
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# sed
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> Run replacements based on regular expressions
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- replace all occurrences of a string in a file, and print the result
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`sed 's/{{find}}/{{replace}}/g' {{filename}}`
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- replace all occurrences of a string in a file, and overwrite the file
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contents
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`sed -i '' 's/{{find}}/{{replace}}/g' {{filename}}`
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- replace all occurrences of an extended regular expression in a file
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`sed -E 's/{{regex}}/{{replace}}/g' {{filename}}`
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23
osx/svn.md
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osx/svn.md
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# svn
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> Subversion command line client tool
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- Check out a working copy from a repository
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`svn co {{url/to/repository}}`
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- Bring changes from the repository into the working copy
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`svn up`
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- Put files and directories under version control, scheduling them for addition to repository. They will be added in next commit.
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`svn add PATH...`
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- Send changes from your working copy to the repository
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`svn ci -m {{commit log message}} {{[PATH...]}}`
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- Show detailed help
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`svn help`
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16
osx/tar.md
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osx/tar.md
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# tar
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> Archiving utility
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> Optional compression with gzip / bzip
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- create an archive from files
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`tar cf {{target.tar}} {{file1 file2 file3}}`
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- create a gzipped archive
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`tar cfz {{target.tar.gz}} {{file1 file2 file3}}`
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- extract an archive in a target folder
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`tar xf {{source.tar}} -C {{folder}}`
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# tldr
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> Simplified man pages
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- get typical usages of a command
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- ps: this is how you got here :)
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`tldr {{command}}`
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11
osx/unzip.md
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osx/unzip.md
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# unzip
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> Extract compressed files in a ZIP archive
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- extract zip file(s) (for multiple files, seperate file paths by spaces)
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`unzip {{file(s)}}`
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- extract zip files(s) to given path
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`unzip {{files(s)}} -d {{/path/to/put/extracted/files}}`
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16
osx/wc.md
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osx/wc.md
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# wc
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> Count words, bytes, or lines
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- count lines in file
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`wc -l {{file}}`
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- count bytes in file
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`wc -c {{file}}`
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- count characters in file (taking multi-byte character sets into account)
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`wc -m {{file}}`
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# zip
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> package and compress (archive) files into zip file
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- package and compress multiple directories & files
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`zip -r {{compressed.zip}} {{/path/to/dir1 /path/to/dir2 /path/to/file}}`
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