Table 13-1. Commands:
| a2ps filename | send filename to the default printer, formatted in an intelligent way |
| bg | put a job in the background |
| cal | display a calendar |
| cat filename | display the contents of the file |
| cd | change to your home directory |
| cd pathname | change working directory to pathname |
| chmod permissions filename | change permissions on a file |
| cp oldfile newfile | copy oldfile to newfile |
| cp filename pathname | copy filename to a new location |
| date | display system's current date and time |
| df | display disk space information |
| echo argument | display the argument |
| emacs filename | edit filename with the emacs editor |
| file filename | display information about a file |
| find | search for files with various characteristics |
| fg | put a job in the foreground |
| grep "pattern" files | show the lines in files that match pattern |
| info command | shows the (hypertext) info page of command |
| jobs | show jobs currently suspended or running on the terminal |
| kill PID | send a "kill" signal to process with process number PID |
| less filename | display filename on the screen, one page at a time |
| lpq filename | examine the queue of the default printer |
| lpr filename | send filename to the default printer, as plain text |
| lprm jobnumber | cancel jobnumber, obtained with lpq, from the queue of the default printer |
| ls | list the names of files (many, many options) |
| man command | display the manual page of command |
| mkdir directoryname | make a new directory named directoryname |
| mv oldfile newfile | rename oldfile to newfile |
| mv filename pathname | move filename from here to a new location |
| ps | list processes |
| pwd | print working directory name |
| rm filename | remove (delete) filename |
| rmdir pathname | remove an empty directory named pathname |
| su username | assume the identity of username |
| talk username | instant messaging, 25 years before AOL was invented |
| vi filename | edit a file with the vi editor |
| whereis filename | search for a file in standard locations |