| Mail | interactive mail processing system | |
| apropos | locate commands by keyword lookup | |
| astags | compute a tags file for an assembler program | |
| chessclock | a poor mans chess clock | |
| ckdir | checksum the files in a directory to guard against/check for corruption | |
| clear | clear terminal screen | |
| clock | continually print the time of the day | |
| cr3 | controlled output flow filter for crt previewing | |
| csh | a shell (command interpreter) with C-like syntax | |
| ctags | compute a tags file for a C program | |
| cxref | a simple C routine referencing program | |
| daytime | give the time to human-reasonable accuracy | |
| diffdir | diff directories | |
| double | double strike output for faint ribbons | |
| dribble | copy out terminal interaction to a file | |
| edit | text editor (variant of the ex editor for new or casual users) | |
| ex | text editor | |
| expand | expand tabs to spaces | |
| eyacc | modified yacc allowing much improved error recovery | |
| finger | user information lookup program | |
| fleece | look for files in home directories | |
| fmt | simple text formatter | |
| fold | fold long lines for finite width output device | |
| fopen | open a stream | [ fopen, freopen ] |
| from | who is my mail from? | |
| funny | a funny program | |
| getNAME | get NAME sections from manual source for whatis/apropos data base | |
| getc | get character or word from stream | [ getc, getchar, fgetc, getw ] |
| gets | get a string from standard input | |
| grep | search a file for a pattern | |
| head | give first few lines of a stream | |
| iul | indicate underlining | |
| last | indicate last logins of users and teletypes | |
| libNS | modified standard i/o library allowing concurrent read/write to a stream | |
| libretro | library to fit version 7 programs on version 6 systems | |
| lisp | lisp interpreter | |
| lock | reserve a terminal | |
| ls | list contents of directory | |
| makewhatis | remake the data base for the whatis and apropos commands | |
| man | run of section of UNIX manual | |
| mkstr | create an error message file by massaging C source | |
| msgs | system messages and junk mail program | |
| net | execute a command on a remote machine | |
| netcp | remote copy of files through the net | |
| netlog | print the last few lines of the network log file | |
| netlpr | use a remote lineprinter through the net | |
| netmail | read mail on a remote machine over the network | |
| netq | print contents of network queue | |
| netrm | remove a command from the network queue | |
| num | number lines | |
| pcc | interpret Pascal carriage control | |
| pi | Pascal interpreter code translator | |
| pix | Pascal interpreter and executor | |
| print | pr to the line printer | |
| printenv | print out the environment | |
| px | Pascal interpreter | |
| pxp | Pascal execution profiler | |
| pxref | Pascal cross-reference program | |
| reset | reset the teletype bits to a sensible state | |
| saveboottime | write the boot time on a tty~ entry in /usr/adm/wtmp | |
| see | see what a file has in it | |
| soelim | eliminate source directives from a nroff or troff stream | |
| ssp | limit to single spacing | |
| strings | find the printable strings in a object, or other binary, file | |
| termcap | terminal capability data base | |
| termlib | terminal independent operation routines | [ tgetent, tgetnum, tgetflag, tgetstr, tgoto, tputs ] |
| tod | print out a message germane to the current time of day | |
| tra | copy out a file as it grows | |
| tset | set terminal modes | |
| untmp | clean files out of /tmp | |
| vi | screen oriented (visual) display editor based on ex | |
| whatis | describe what a command is | |
| whereis | locate source/binary/manual for program | |
| whoami | print effective current user id | |
| xstr | extract strings from C programs to implement shared strings | |