|  |  |  |  | 
| D | 
|  | 
|  | date — display date and/or set date (  ) | 
|  | 
|  | date | 
|  |  | prompts for a date — ckdate (  ) | 
|  |  | provides error message for date — errdate (  ) | 
|  |  | provides help message for date — helpdate (  ) | 
|  |  | validates a date — valdate (  ) | 
|  | 
|  | deallocate — deallocate devices (  ) | 
|  | 
|  | debug tools, debugger — adb (  ) | 
|  | 
|  | decode binary file — uudecode (  ) | 
|  | 
|  | decode files, — crypt (  ) | 
|  | 
|  | decrypt — crypt (  ) | 
|  | 
|  | define locale environment — localedef (  ) | 
|  | 
|  | dependencies, dynamic, of executable files or shared objects — ldd (  ) | 
|  | 
|  | deroff — remove nroff, troff, tbl and eqn constructs (  ) | 
|  | 
|  | describe command — whatis (  ) | 
|  | 
|  | describe instruction set architectures — isainfo (  ) | 
|  | 
|  | desk calculator, — dc (  ) | 
|  | 
|  | determine which variant instruction set is optimal to use — optisa (  ) | 
|  | 
|  | devices | 
|  |  | allocation — allocate (  ) | 
|  |  | deallocation — deallocate (  ) | 
|  |  | eject media device from drive — eject (  ) | 
|  |  | list_devices — list_devices (  ) | 
|  | 
|  | df — display status of disk space on file systems (  ) | 
|  | 
|  | dhcpinfo — display value of parameters received through DHCP (  ) | 
|  | 
|  | dictionary, system, find words — look (  ) | 
|  | 
|  | diff — compare two files (  ) | 
|  | 
|  | diff | 
|  |  | 3-way — diff3 (  ) | 
|  |  | big — bdiff (  ) | 
|  | 
|  | diff3 — display line-by-line differences between three text files (  ) | 
|  | 
|  | diff command, side-by-side — sdiff (  ) | 
|  | 
|  | diffmk — mark differences between versions of a troff input file (  ) | 
|  | 
|  | digestp — frontends to the mp Text to PDL (Printer Description Language) pretty print filter (  ) | 
|  | 
|  | dircmp — compares contents of directories (  ) | 
|  | 
|  | directories | 
|  |  | compare contents — dircmp (  ) | 
|  |  | list contents — ls (  ) | 
|  |  | list contents of — ls (  ) | 
|  |  | make — mkdir (  ) | 
|  |  | make link to — ln (  ) | 
|  |  | print working directory name — pwd (  ) | 
|  |  | remove — rmdir (  ) | 
|  | 
|  | dirname — delivers all but last level of path name (  ) | 
|  | 
|  | dirs — shell built-in functions to change the current working directory (  ) | 
|  | 
|  | dis — object code disassembler (  ) | 
|  | 
|  | disable — disable LP printers (  ) | 
|  | 
|  | disassembler, object code — dis (  ) | 
|  | 
|  | disk usage, summary — du (  ) | 
|  | 
|  | display editor — vi (  ) | 
|  | 
|  | display | 
|  |  | a list of all valid user names — dispuid (  ) | 
|  |  | architecture of current host — arch (  ) | 
|  |  | call-graph profile data — gprof (  ) | 
|  |  | contents of directory — ls (  ) | 
|  |  | current news — news (  ) | 
|  |  | — date (  ) | 
|  |  | disk usage — du (  ) | 
|  |  | dynamic dependencies of executable files or shared objects — ldd (  ) | 
|  |  | effective user name — whoami (  ) | 
|  |  | file names — ls (  ) | 
|  |  | first few lines of files — head (  ) | 
|  |  | group membership of user — groups (  ) (  ) | 
|  |  | how long the system has been up — uptime (  ) | 
|  |  | identifier of current host — hostid (  ) | 
|  |  | last commands executed, in reverse order — lastcomm (  ) | 
|  |  | list of all valid group names — dispgid (  ) | 
|  |  | login and logout information about users and terminals — last (  ) | 
|  |  | name of current host — hostname (  ) | 
|  |  | name of the user running the process — logname (  ) | 
|  |  | printer queue — lpq (  ) | 
|  |  | process status — ps (  ) | 
|  |  | processor type of current host — mach (  ) | 
|  |  | selected lines from file — sed (  ) | 
|  |  | size or sizes of a page of memory — pagesize (  ) | 
|  |  | status of disk space on file system — df (  ) | 
|  |  | status of local hosts — ruptime (  ) | 
|  |  | status of network hosts — rup (  ) | 
|  |  | users on system — users (  ) | 
|  |  | working directory name — pwd (  ) | 
|  | 
|  | display discretionary file information — getfacl (  ) | 
|  | 
|  | display information about currently logged-in users — w (  ) | 
|  | 
|  | display information about the address space of a process — pmap (  ) | 
|  | 
|  | display names and references bound in FNS context — fnlist (  ) | 
|  | 
|  | display package parameter values — pkgparam (  ) | 
|  | 
|  | display profile data — prof (  ) | 
|  | 
|  | display reference bound to FNS name — fnlookup (  ) | 
|  | 
|  | display the internal versioning information of dynamic objects — pvs (  ) | 
|  | 
|  | display the native instruction sets executable on this platform — isalist (  ) | 
|  | 
|  | display value of parameters received through DHCP — dhcpinfo (  ) | 
|  | 
|  | document production | 
|  |  | check spelling — spell (  ) | 
|  |  | check nroff/troff files — checknr (  ) | 
|  |  | create an inverted index to a bibliographic database — indexbib (  ) | 
|  |  | create or extend bibliography — addbib (  ) | 
|  |  | eliminate .so's from nroff input — soelim (  ) | 
|  |  | expand and insert references from a bibliographic database — refer (  ) | 
|  |  | filters reverse line-feeds from two-column nroff text — col (  ) | 
|  |  | find references in a bibliographic database — lookbib (  ) | 
|  |  | format and print a bibliographic database — roffbib (  ) | 
|  |  | format documents for display or line-printer — nroff (  ) | 
|  |  | format tables for nroff or troff — tbl (  ) | 
|  |  | mark differences between versions of a troff input file — diffmk (  ) | 
|  |  | remove nroff, troff, tbl and eqn constructs — deroff (  ) | 
|  |  | simple text formatters — fmt (  ) | 
|  |  | sort a bibliographic database — sortbib (  ) | 
|  |  | troff postprocessor for PostScript printers — dpost (  ) | 
|  |  | typeset mathematics — eqn (  ) | 
|  |  | typeset or format documents — troff (  ) | 
|  | 
|  | DOS | 
|  |  | convert text file from DOS format to ISO format — dos2unix (  ) | 
|  |  | convert text file from ISO format to DOS format — unix2dos (  ) | 
|  | 
|  | dos2unix — convert text file from DOS format to ISO format (  ) | 
|  | 
|  | download — host resident PostScript font downloader (  ) | 
|  | 
|  | download — prepends host resident PostScript fonts to files (  ) | 
|  | 
|  | dpost — troff postprocessor for PostScript printers (  ) | 
|  | 
|  | draw graph — graph (  ) | 
|  | 
|  | du — summarize disk usage (  ) | 
|  | 
|  | du — display disk usage per directory or file (  ) | 
|  | 
|  | dump — dump selected parts of an object file (  ) | 
|  | 
|  | dump selected parts of an object file — dump (  ) | 
|  | 
|  | dump selected parts of an object file — elfdump (  ) | 
|  | 
|  | dumpcs — show codeset table for the current locale (  ) | 
|  | 
|  | dumpkeys — dump keyboard translation tables (  ) |