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| | 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. |
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| | *[[This Is Your Brain On Informatics: Linux Commands|Using the System]] |
| ! Command Name !! Command Description
| | *[[This Is Your Brain On Informatics: Common Pathnames|Common Pathnames]] |
| | cat [filename] || Display file’s contents to the standard output device (usually your monitor).
| | *[[This Is Your Brain On Informatics: Network|Setting up the Network]] |
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| | *[[This Is Your Brain On Informatics: DenyHosts|Working with DenyHosts]] |
| | cd /directorypath || Change to directory.
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| | chmod [options] mode filename || Change a file’s permissions.
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| | chown [options] filename || Change who owns a file.
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| | clear || Clear a command line screen/window for a fresh start.
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| | cp [options] source destination || Copy files and directories.
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| | date [options] || Display or set the system date and time.
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| | df [options] || Display used and available disk space.
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| | du [options] || Show how much space each file takes up.
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| | file [options] filename || Determine what type of data is within a file.
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| | find [pathname] [expression] || Search for files matching a provided pattern.
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| | grep [options] pattern [filesname] || Search files or output for a particular pattern. | |
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| | kill [options] pid || Stop a process. If the process refuses to stop, use kill -9 pid.
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| | less [options] [filename] || View the contents of a file one page at a time.
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| | ln [options] source [destination] || Create a shortcut.
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| | locate filename || Search a copy of your filesystem for the specified filename.
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| | lpr [options] || Send a print job.
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| | ls [options] || List directory contents.
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| | /man [command] || Display the help information for the specified command.
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| | mkdir [options] directory || Create a new directory.
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| | mv [options] source destination || Rename or move file(s) or directories.
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| | passwd [name [password]] || Change the password or allow (for the system administrator) to
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| change any password.
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| | ps [options] || Display a snapshot of the currently running processes.
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| | pwd || Display the pathname for the current directory.
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| | rm [options] directory || Remove (delete) file(s) and/or directories.
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| | rmdir [options] directory || Delete empty directories.
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| | ssh [options] user@machine || Remotely log in to another Linux machine, over the network.
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| | Exit || Leave an ssh session by typing
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| | su [options] [user [arguments]] || Switch to another user account.
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| | tail [options] [filename] || Display the last n lines of a file (the default is 10).
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| | tar [options] filename || Store and extract files from a tarfile (.tar) or tarball
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| (.tar.gz or .tgz).
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| | top || Displays the resources being used on your system. Press q to exit.
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| | touch filename || Create an empty file with the specified name.
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| | who [options] || Display who is logged on.
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| |}
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| | {{This Is Your Brain On Informatics}} |
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| | [[Category:This Is Your Brain On Informatics]] |