Difference between revisions of "Basics"

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(New page: A small Linux cheat sheet, introducing the very basic and very essential commands for surviving at the Linux CLI. ===Moving around in the file system=== '''Command Action''' pwd ...)
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Revision as of 23:49, 21 July 2009

A small Linux cheat sheet, introducing the very basic and very essential commands for surviving at the Linux CLI.

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