Files and Directories Commands:
| ls | - list files in current directory. |
| ls -a | - list dot files in current directory. |
| ls -l | - list files in current directory in full form. |
| pwd | - print working (current) directory. |
| mkdir name | - make new directory. |
| cd pathname | - change to directory. |
| cd | - change directory to home directory. |
| rmdir name | - remove directory. |
| cat file | - display a file; concatenate several files. |
| more file | - display file on screen pausing at each screenful. Press space to continue. Press h for help. |
| cp file1 file2 | - copy file1 to file2. |
| mv file1 file2 | - move file1 to file2 (rename). |
| mv file dir | - move file to directory dir. |
| rm file | - remove file (delete). |
| du | - disk space used (do in home directory). |
| quota -v | - displays your disk quota or allotment. |
| chmod <who><op><permission> file | - change permissions on a file. |
Useful Commands:
| a2ps -Pprinter file | - prints file in two column format. |
| lp –dlobby file | - prints file on laser printer in Dana lobby. |
| lp –dbrki167-lp1 file | - prints file on laser printer in room 167 Breakiron. |
| lp –ddana213-lp1 file | - prints file on laser printer in room 213 Dana. |
| lp –dbrki164-lp1 file | - prints file on laser printer outside room 164 Breakiron. |
| lpstat –o printer | - list printer queues. |
| cancel job-id | - remove job from printer queue (get job-id from lpstat). |
| man command | - displays manual page to screen (on-line help). |
| man -k keyword | - displays one line of commands which contain keyword. |
| logout | - to log off of UNIX. |
| script | - to capture a work session in a file. |
| exit | - to end a script session. To end a rlogin session. |
| who | - displays who is on your machine. |
| rusers | - displays all remote users (all on the network). Control c to get out. |
| rlogin hostname | - remote login to another computer (exit to get off). |
| date | - displays time and date. |
| wc file | - word count of file. |
| cal | - prints a calendar. |
| spell file | - displays misspellings of the file |
| sort file | - displays file sorted alphabetically. |
| grep 'string' file | - displays all lines in file containing the string. |
| history | - history of commands you have typed (!number to redo). |
| ps | - display your processes running on your machine. |
| ps -ef | - display all processes running on your machine. |
| kill process-id | - kill a runaway process (get process-id with ps). |
| passwd | - change your password. |