Manual — UNIX 6th Edition
| ar | archive and library maintainer |
| as | assembler |
| bas | basic |
| bc | arbitrary precision interactive language |
| cat | concatenate and print |
| cc | C compiler |
| cdb | C debugger |
| chdir | change working directory |
| chmod | change mode |
| cmp | compare two files |
| comm | print lines common to two files |
| cp | copy |
| cref | make cross reference listing |
| date | print and set the date |
| db | debug |
| dc | desk calculator |
| dd | convert and copy a file |
| diff | differential file comparator |
| dsw | delete interactively |
| du | summarize disk usage |
| echo | echo arguments |
| ed | text editor |
| eqn | typeset mathematics |
| exit | terminate command file |
| fc | Fortran compiler |
| file | determine file type |
| find | find files |
| goto | command transfer |
| grep | search a file for a pattern |
| if | conditional command |
| kill | terminate a process |
| ld | link editor |
| ln | make a link |
| login | sign onto UNIX |
| ls | list contents of directory |
| mail | send mail to designated users |
| man | run off section of UNIX manual |
| mesg | permit or deny messages |
| mkdir | make a directory |
| mv | move or rename a file |
| neqn | typeset mathematics on terminal |
| newgrp | log in to a new group |
| nice | run a command at low priority |
| nm | print name list |
| nohup | run a command immune to hangups |
| nroff | format text |
| od | octal dump |
| opr | off line print |
| passwd | change login password |
| pfe | print floating exception |
| pr | print file |
| prof | display profile data |
| ps | process status |
| pwd | working directory name |
| rc | Ratfor compiler |
| rev | reverse lines of a file |
| rm | remove (unlink) files |
| rmdir | remove directory |
| roff | format text |
| sh | shell (command interpreter) |
| shift | adjust Shell arguments |
| size | size of an object file |
| sleep | suspend execution for an interval |
| usort, sort | sort or merge files |
| spell | find spelling errors |
| split | split a file into pieces |
| strip | remove symbols and relocation bits |
| stty | set typewriter options |
| tee | pipe fitting |
| time | time a command |
| tp | manipulate DECtape and magtape |
| tr | transliterate |
| troff | format text |
| tty | get typewriter name |
| typo | find possible typos |
| uniq | report repeated lines in a file |
| wait | await completion of process |
| wc | word count |
| who | who is on the system |
| write | write to another user |
| yacc | yet another compiler-compiler |
| brk, sbrk, break | change core allocation |
| chdir | change working directory |
| chmod | change mode of file |
| chown | change owner and group of a file |
| close | close a file |
| creat | create a new file |
| csw | read console switches |
| dup | duplicate an open file descriptor |
| execl, execv, exec | execute a file |
| exit | terminate process |
| fork | spawn new process |
| fstat | get status of open file |
| getgid | get group identifications |
| getpid | get process identification |
| getuid | get user identifications |
| gtty | get typewriter status |
| indir | indirect system call |
| intro | |
| kill | send signal to a process |
| link | link to a file |
| mknod | make a directory or a special file |
| mount | mount file system |
| nice | set program priority |
| open | open for reading or writing |
| pipe | create an interprocess channel |
| profil | execution time profile |
| ptrace | process trace |
| read | read from file |
| seek | move read/write pointer |
| setgid | set process group ID |
| setuid | set process user ID |
| signal | catch or ignore signals |
| sleep | stop execution for interval |
| stat | get file status |
| stime | set time |
| stty | set mode of typewriter |
| sync | update super-block |
| time | get date and time |
| times | get process times |
| umount | dismount file system |
| unlink | remove directory entry |
| wait | wait for process to terminate |
| write | write on a file |
| abort | generate an IOT fault |
| fabs, abs | absolute value |
| free, alloc | core allocator |
| atan2, atan | arc tangent function |
| atof | convert ASCII to floating |
| atoi | convert ASCII to integer |
| crypt | password encoding |
| localtime, gmtime, ctime | convert date and time to ASCII |
| fcvt, ecvt | output conversion |
| etext, edata, end | last locations in program |
| exp | exponential function |
| ceil, floor | floor and ceiling functions |
| fmod | floating modulo function |
| fptrap | floating point interpreter |
| gamma | log gamma function |
| iargc, getarg | get command arguments from Fortran |
| getw, fopen, getc | buffered input |
| getchar | read character |
| getpw | get name from UID |
| hmul | high-order product |
| ierror | catch Fortran errors |
| lrem, ldiv | long division |
| locv | long output conversion |
| log | natural logarithm |
| monitor | prepare execution profile |
| nargs | argument count |
| nlist | get entries from name list |
| sys_errlist, sys_nerr, errno, perror | system error messages |
| pow | floating exponentiation |
| printf | formatted print |
| putw, fcreat, fflush, putc | buffered output |
| flush, putchar | write character |
| qsort | quicker sort |
| srand, rand | random number generator |
| setexit, reset | execute non-local goto |
| setfil | specify Fortran file name |
| cos, sin | trigonometric functions |
| sqrt | square root function |
| ttyn | return name of current typewriter |
| cat | phototypesetter interface |
| dc | DC-11 communications interface |
| dh | DH-11 communications multiplexer |
| dn | DN-11 ACU interface |
| dp | DP-11 201 data-phone interface |
| hp | RH-11/RP04 moving-head disk |
| hs | RH11/RS03-RS04 fixed-head disk file |
| ht | RH-11/TU-16 magtape interface |
| kl | KL-11 or DL-11 asynchronous interface |
| lp | line printer |
| kmem, null, mem | core memory |
| pc | PC-11 paper tape reader/punch |
| rf | RF11/RS11 fixed-head disk file |
| rk | RK-11/RK03 (or RK05) disk |
| rp | RP-11/RP03 moving-head disk |
| tc | TC-11/TU56 DECtape |
| tm | TM-11/TU-10 magtape interface |
| tty | general typewriter interface |
| a.out | assembler and link editor output |
| ar, archive | archive (library) file format |
| ascii | map of ASCII character set |
| core | format of core image file |
| dir, directory | format of directories |
| dump | incremental dump tape format |
| fs | format of file system volume |
| greek | graphics for extended TTY-37 type-box |
| group | group file |
| mtab | mounted file system table |
| passwd | password file |
| tabs | set tab stops |
| tp | DEC/mag tape formats |
| ttys | typewriter initialization data |
| utmp | user information |
| wtmp | user login history |
| azel | satellite predictions |
| bj | the game of black jack |
| cal | print calendar |
| chess | the game of chess |
| col | filter reverse line feeds |
| cubic | three dimensional tic-tac-toe |
| factor | discover prime factors of a number |
| fed | edit form letter memory |
| form | form letter generator |
| graph | draw a graph |
| gsi | interpret extended character set on GSI terminal |
| m6 | general purpose macroprocessor |
| moo | guessing game |
| plot: tek, gsip, vt0, plot | graphics filters |
| primes | print all primes larger than somewhat |
| quiz | test your knowledge |
| sky | obtain ephemerides |
| sno | Snobol interpreter |
| speak | word to voice translator |
| spline | interpolate smooth curve |
| tbl | format tables for nroff or troff |
| tmg | compiler-compiler |
| ttt | the game of tic-tac-toe |
| units | conversion program |
| wump | the game of hunt-the-wumpus |
| crfork, crexit, crread, crwrite, crexch, crprior, cr | coroutine scheme |
| ms | macros for formatting manuscripts |
| plot: openpl et al., plot | graphics interface |
| salloc | string allocation and manipulation |
| ac | login accounting |
| boot procedures, bproc | UNIX startup |
| chgrp | change group |
| chown | change owner |
| clri | clear i-node |
| crash | what to do when the system crashes |
| cron | clock daemon |
| dcheck | file system directory consistency check |
| df | disk free |
| dpd | data phone daemon |
| dump | incremental file system dump |
| getty | set typewriter mode |
| glob | generate command arguments |
| icheck | file system storage consistency check |
| init | process control initialization |
| lpd | line printer daemon |
| mkfs | construct a file system |
| mknod | build special file |
| mount | mount file system |
| ncheck | generate names from i-numbers |
| restor | incremental file system restore |
| sa | Shell accounting |
| su | become privileged user |
| sync | update the super block |
| umount | dismount file system |
| update | periodically update the super block |
| wall | write to all users |