Difference between revisions of "Basics"
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− | '''NOTE:''' | + | '''NOTE:''' [http://www.webune.com/an-example-code-script-of-javascript-linux-permission-chart-table-chmod-s81.html Linux Permission Chart Table] calculates based on input. |
Revision as of 00:25, 22 July 2009
A small Linux cheat sheet, introducing the very basic and very essential commands for surviving at the Linux Command Line Interface (CLI).
Contents
Moving around in the file system
Command | Action |
---|---|
pwd | "Print working directory" - show what dir you're in. |
ls | List the contents of a dir. |
ls -l | List the contents of a dir and show additional info of the files. |
ls -a | List all files, including hidden files. |
cd | Change directory. |
cd .. | Go to the parent directory. |
Examining files
Command | Action |
---|---|
file | Determine the type of a file. |
cat | Concatenate a file. |
less | View text files and paginate them if needed. |
Manipulating files and directories
Command | Action |
---|---|
cp | Copy a file. |
cp -i | Copy a file and ask before overwriting. |
cp -r | Copy a directory with its contents. |
mv | Move or rename a file. |
mv -i | Move or rename a file and ask before overwriting. |
rm | Remove a file. |
rm -r | Remove a directory with its contents. |
rm -i | Ask before removing a file. Good to use with the -r option. |
mkdir | Make a directory. |
rmdir | Remove an empty directory. |
Files and directory Permissions
Command | Action |
---|---|
chown | Change ownership |
chgrp | Change group |
chmod | Change permissions |
NOTE: Linux Permission Chart Table calculates based on input.