Common UNIX/Linus Commands - Quick Reference |
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Command |
Description |
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| Environment Control | |||
| cd d | Change to directory d | ||
| mkdir d | Create new directory d | ||
| rmdir d | Remove directory d | ||
| mv f1 [f2...] d | Move file f to directory d | ||
| mv d1 d2 | Rename directory d1 as d2 | ||
| passwd | Change password | ||
| alias name1 name2 | Create command alias (csh/tcsh) | ||
| alias name1="name2" | Create command alias (ksh/bash) | ||
| unalias name1[na2...] | Remove command alias na | ||
| ssh nd | Login securely to remote node | ||
| exit | End terminal session | ||
| setenv name v | Set env var to value v (csh/tcsh) | ||
| export name="v" | set environment variable to value v (ksh/bash) | ||
| Outpost, Communcation & Help | |||
| lpr -P printer f or lp -d printer f | Output file f to line printer | ||
| script [f] | Save terminal session to f | ||
| exit | Stop saving terminal session | ||
| mailx username | Send mail to user | ||
| man name | Unix manual entry for name | ||
| Process Control | |||
| CTRL/c * | Interrupt processes | ||
| CTRL/s * | Stop screen scrolling | ||
| CTRL/q * | Resume screen output | ||
| sleep n | Sleep for n seconds | ||
| jobs | Print list of jobs | ||
| kill % | Kill job n | ||
| ps | Print process status stats | ||
| kill -9 n | Remove process n | ||
| CTRL/z * | Suspend current process | ||
| stop %n | Suspend background job n | ||
| cmmd& | Run cmmd in background | ||
| bg [%n] | Resume background job n | ||
| fg [%n] | Resume foreground job n | ||
| exit | Exit from shell | ||
| Environment Status | |||
| ls [d] [f...] | List files in directory | ||
| ls -1 [f...] | List files in detail | ||
| alias [name] | Display command aliases | ||
| printenv [name] | Print environment values | ||
| quota | Display disk quota | ||
| date | Print date & time | ||
| who | List logged in users | ||
| whoami | Display current user | ||
| finger [username] | Output user information | ||
| chfn | Change finger information | ||
| pwd | Print working directory | ||
| history | Display recent commands | ||
| ! n | Submit recent command n | ||
| File Manipulation | |||
| vi [f] | Vi fullscreen editor | ||
| emacs [f] | Emacs fullscreen editor | ||
| ed [f] | Text editor | ||
| wc f | Line, word, & char count | ||
| cat f | List contents of file | ||
| more f | List file contents by screen | ||
| cat f1 f2 >f3 | Concatenates f1 & f2 into f3 | ||
| chmod mode f | Change protection mode of f | ||
| cmp f1 f2 | Compare two files | ||
| cp f1 f2 | Copy file f1 into f2 | ||
| sort f | Alphabetically sort f | ||
| split [-n] f | Split f into n-line pieces | ||
| mv f1 f2 | Rename file f1 as f2 | ||
| rm f | Delete (remove) file f | ||
| grep 'ptn' f | Outputs lines that match ptn | ||
| diff f1 f2 | Lists file differences | ||
| head f | Output beginning of f | ||
| tail f | Output end of f | ||
Suggestion
