| Abbreviation | Definition |
|---|---|
| mknod | make node |
| MTR | Matt's TraceRoute |
| mv | Move |
| mvdir | move directory |
| nawk | New AWK |
| NBC | Not Barring Calls |
| nl | Number the Lines |
| nm | Names |
| nn | No News |
| nohup | no hang-up |
| nroff | new roff |
| oclock | O shaped clock |
| passwd | Password |
| pg | Pager |
| PICO | PIne COmposer |
| povray | persistence of vision raytracer |
| PPID | Parent Process IDentification |
| pr | PRepare for printing |
| prof | PROFiler |
| prs | Print Revision Summary |