Difference between revisions of "This Is Your Brain On Informatics: Linux"
(Created page with "Command Description cat [filename] Display file’s contents to the standard output device (usually your monitor). cd /directorypath Change to directory. chmod [options] mo...") |
|||
Line 1: | Line 1: | ||
− | Command | + | Command Description |
− | cat [filename] Display file’s contents to the standard output device (usually your monitor). | + | *cat [filename] Display file’s contents to the standard output device (usually your monitor). |
− | cd /directorypath Change to directory. | + | |
− | chmod [options] mode filename Change a file’s permissions. | + | *cd /directorypath Change to directory. |
− | chown [options] filename Change who owns a file. | + | |
− | clear Clear a command line screen/window for a fresh start. | + | *chmod [options] mode filename Change a file’s permissions. |
− | cp [options] source destination Copy files and directories. | + | |
− | date [options] Display or set the system date and time. | + | *chown [options] filename Change who owns a file. |
− | df [options] Display used and available disk space. | + | |
− | du [options] Show how much space each file takes up. | + | *clear Clear a command line screen/window for a fresh start. |
− | file [options] filename Determine what type of data is within a file. | + | |
− | find [pathname] [expression] Search for files matching a provided pattern. | + | *cp [options] source destination Copy files and directories. |
− | 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. | + | *date [options] Display or set the system date and time. |
− | less [options] [filename] View the contents of a file one page at a time. | + | |
− | ln [options] source [destination] Create a shortcut. | + | *df [options] Display used and available disk space. |
− | locate filename Search a copy of your filesystem for the specified filename. | + | |
− | lpr [options] Send a print job. | + | *du [options] Show how much space each file takes up. |
− | ls [options] List directory contents. | + | |
− | man [command] Display the help information for the specified command. | + | *file [options] filename Determine what type of data is within a file. |
− | mkdir [options] directory Create a new directory. | + | |
− | mv [options] source destination Rename or move file(s) or directories. | + | *find [pathname] [expression] Search for files matching a provided pattern. |
− | 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. | + | *grep [options] pattern [filesname] Search files or output for a particular pattern. |
− | pwd Display the pathname for the current directory. | + | |
− | rm [options] directory Remove (delete) file(s) and/or directories. | + | *kill [options] pid Stop a process. If the process refuses to stop, use kill -9 pid. |
− | 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 | + | *less [options] [filename] View the contents of a file one page at a time. |
− | su [options] [user [arguments]] Switch to another user account. | + | |
− | tail [options] [filename] Display the last n lines of a file (the default is 10). | + | *ln [options] source [destination] Create a shortcut. |
− | 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. | + | *locate filename Search a copy of your filesystem for the specified filename. |
− | touch filename Create an empty file with the specified name. | + | |
− | who [options] Display who is logged on. | + | *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. |
Revision as of 18:28, 22 October 2013
Command Description
- cat [filename] Display file’s contents to the standard output device (usually your monitor).
- cd /directorypath Change to directory.
- chmod [options] mode filename Change a file’s permissions.
- chown [options] filename Change who owns a file.
- clear Clear a command line screen/window for a fresh start.
- 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.
- du [options] Show how much space each file takes up.
- file [options] filename Determine what type of data is within a file.
- 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.