|
|
| (25 intermediate revisions by the same user not shown) |
| Line 1: |
Line 1: |
| Command Description
| | Linux is a powerful developer operating system that can be quite confusing at times. This can include but is not limited to using the system (?), setting up a network, and finding important files. Please see below for help on various subjects in Linux. |
| cat [filename] Display file’s contents to the standard output device (usually your monitor).
| | |
| cd /directorypath Change to directory.
| | *[[This Is Your Brain On Informatics: Linux Commands|Using the System]] |
| chmod [options] mode filename Change a file’s permissions.
| | *[[This Is Your Brain On Informatics: Common Pathnames|Common Pathnames]] |
| chown [options] filename Change who owns a file.
| | *[[This Is Your Brain On Informatics: Network|Setting up the Network]] |
| clear Clear a command line screen/window for a fresh start.
| | *[[This Is Your Brain On Informatics: DenyHosts|Working with DenyHosts]] |
| cp [options] source destination Copy files and directories.
| | |
| date [options] Display or set the system date and time.
| | |
| df [options] Display used and available disk space.
| | {{This Is Your Brain On Informatics}} |
| du [options] Show how much space each file takes up.
| | |
| file [options] filename Determine what type of data is within a file.
| | [[Category:This Is Your Brain On Informatics]] |
| find [pathname] [expression] Search for files matching a provided pattern.
| |
| grep [options] pattern [filesname] Search files or output for a particular pattern.
| |
| kill [options] pid Stop a process. If the process refuses to stop, use kill -9 pid.
| |
| less [options] [filename] View the contents of a file one page at a time.
| |
| ln [options] source [destination] Create a shortcut.
| |
| locate filename Search a copy of your filesystem for the specified filename.
| |
| lpr [options] Send a print job.
| |
| ls [options] List directory contents.
| |
| man [command] Display the help information for the specified command.
| |
| mkdir [options] directory Create a new directory.
| |
| mv [options] source destination Rename or move file(s) or directories.
| |
| passwd [name [password]] Change the password or allow (for the system administrator) to change any password.
| |
| ps [options] Display a snapshot of the currently running processes.
| |
| pwd Display the pathname for the current directory.
| |
| rm [options] directory Remove (delete) file(s) and/or directories.
| |
| rmdir [options] directory Delete empty directories.
| |
| ssh [options] user@machine Remotely log in to another Linux machine, over the network. Leave an ssh session by typing exit.
| |
| su [options] [user [arguments]] Switch to another user account.
| |
| tail [options] [filename] Display the last n lines of a file (the default is 10).
| |
| tar [options] filename Store and extract files from a tarfile (.tar) or tarball (.tar.gz or .tgz).
| |
| top Displays the resources being used on your system. Press q to exit.
| |
| touch filename Create an empty file with the specified name.
| |
| who [options] Display who is logged on.
| |