man pages section 1: User Commands
    
D
 
 date — display date and/or set date ( Index Term Link )
 
 date
  prompts for a date — ckdate ( Index Term Link )
  provides error message for date — errdate ( Index Term Link )
  provides help message for date — helpdate ( Index Term Link )
  validates a date — valdate ( Index Term Link )
 
 deallocate — deallocate devices ( Index Term Link )
 
 debug tools, debugger — adb ( Index Term Link )
 
 decode binary file — uudecode ( Index Term Link )
 
 decode files, — crypt ( Index Term Link )
 
 decrypt — crypt ( Index Term Link )
 
 define locale environment — localedef ( Index Term Link )
 
 dependencies, dynamic, of executable files or shared objects — ldd ( Index Term Link )
 
 deroff — remove nroff, troff, tbl and eqn constructs ( Index Term Link )
 
 describe command — whatis ( Index Term Link )
 
 describe instruction set architectures — isainfo ( Index Term Link )
 
 desk calculator, — dc ( Index Term Link )
 
 determine which variant instruction set is optimal to use — optisa ( Index Term Link )
 
 devices
  allocation — allocate ( Index Term Link )
  deallocation — deallocate ( Index Term Link )
  eject media device from drive — eject ( Index Term Link )
  list_devices — list_devices ( Index Term Link )
 
 df — display status of disk space on file systems ( Index Term Link )
 
 dhcpinfo — display value of parameters received through DHCP ( Index Term Link )
 
 dictionary, system, find words — look ( Index Term Link )
 
 diff — compare two files ( Index Term Link )
 
 diff
  3-way — diff3 ( Index Term Link )
  big — bdiff ( Index Term Link )
 
 diff3 — display line-by-line differences between three text files ( Index Term Link )
 
 diff command, side-by-side — sdiff ( Index Term Link )
 
 diffmk — mark differences between versions of a troff input file ( Index Term Link )
 
 digestp — frontends to the mp Text to PDL (Printer Description Language) pretty print filter ( Index Term Link )
 
 dircmp — compares contents of directories ( Index Term Link )
 
 directories
  compare contents — dircmp ( Index Term Link )
  list contents — ls ( Index Term Link )
  list contents of — ls ( Index Term Link )
  make — mkdir ( Index Term Link )
  make link to — ln ( Index Term Link )
  print working directory name — pwd ( Index Term Link )
  remove — rmdir ( Index Term Link )
 
 dirname — delivers all but last level of path name ( Index Term Link )
 
 dirs — shell built-in functions to change the current working directory ( Index Term Link )
 
 dis — object code disassembler ( Index Term Link )
 
 disable — disable LP printers ( Index Term Link )
 
 disassembler, object code — dis ( Index Term Link )
 
 disk usage, summary — du ( Index Term Link )
 
 display editor — vi ( Index Term Link )
 
 display
  a list of all valid user names — dispuid ( Index Term Link )
  architecture of current host — arch ( Index Term Link )
  call-graph profile data — gprof ( Index Term Link )
  contents of directory — ls ( Index Term Link )
  current news — news ( Index Term Link )
  — date ( Index Term Link )
  disk usage — du ( Index Term Link )
  dynamic dependencies of executable files or shared objects — ldd ( Index Term Link )
  effective user name — whoami ( Index Term Link )
  file names — ls ( Index Term Link )
  first few lines of files — head ( Index Term Link )
  group membership of user — groups ( Index Term Link ) ( Index Term Link )
  how long the system has been up — uptime ( Index Term Link )
  identifier of current host — hostid ( Index Term Link )
  last commands executed, in reverse order — lastcomm ( Index Term Link )
  list of all valid group names — dispgid ( Index Term Link )
  login and logout information about users and terminals — last ( Index Term Link )
  name of current host — hostname ( Index Term Link )
  name of the user running the process — logname ( Index Term Link )
  printer queue — lpq ( Index Term Link )
  process status — ps ( Index Term Link )
  processor type of current host — mach ( Index Term Link )
  selected lines from file — sed ( Index Term Link )
  size or sizes of a page of memory — pagesize ( Index Term Link )
  status of disk space on file system — df ( Index Term Link )
  status of local hosts — ruptime ( Index Term Link )
  status of network hosts — rup ( Index Term Link )
  users on system — users ( Index Term Link )
  working directory name — pwd ( Index Term Link )
 
 display discretionary file information — getfacl ( Index Term Link )
 
 display information about currently logged-in users — w ( Index Term Link )
 
 display information about the address space of a process — pmap ( Index Term Link )
 
 display names and references bound in FNS context — fnlist ( Index Term Link )
 
 display package parameter values — pkgparam ( Index Term Link )
 
 display profile data — prof ( Index Term Link )
 
 display reference bound to FNS name — fnlookup ( Index Term Link )
 
 display the internal versioning information of dynamic objects — pvs ( Index Term Link )
 
 display the native instruction sets executable on this platform — isalist ( Index Term Link )
 
 display value of parameters received through DHCP — dhcpinfo ( Index Term Link )
 
 document production
  check spelling — spell ( Index Term Link )
  check nroff/troff files — checknr ( Index Term Link )
  create an inverted index to a bibliographic database — indexbib ( Index Term Link )
  create or extend bibliography — addbib ( Index Term Link )
  eliminate .so's from nroff input — soelim ( Index Term Link )
  expand and insert references from a bibliographic database — refer ( Index Term Link )
  filters reverse line-feeds from two-column nroff text — col ( Index Term Link )
  find references in a bibliographic database — lookbib ( Index Term Link )
  format and print a bibliographic database — roffbib ( Index Term Link )
  format documents for display or line-printer — nroff ( Index Term Link )
  format tables for nroff or troff — tbl ( Index Term Link )
  mark differences between versions of a troff input file — diffmk ( Index Term Link )
  remove nroff, troff, tbl and eqn constructs — deroff ( Index Term Link )
  simple text formatters — fmt ( Index Term Link )
  sort a bibliographic database — sortbib ( Index Term Link )
  troff postprocessor for PostScript printers — dpost ( Index Term Link )
  typeset mathematics — eqn ( Index Term Link )
  typeset or format documents — troff ( Index Term Link )
 
 DOS
  convert text file from DOS format to ISO format — dos2unix ( Index Term Link )
  convert text file from ISO format to DOS format — unix2dos ( Index Term Link )
 
 dos2unix — convert text file from DOS format to ISO format ( Index Term Link )
 
 download — host resident PostScript font downloader ( Index Term Link )
 
 download — prepends host resident PostScript fonts to files ( Index Term Link )
 
 dpost — troff postprocessor for PostScript printers ( Index Term Link )
 
 draw graph — graph ( Index Term Link )
 
 du — summarize disk usage ( Index Term Link )
 
 du — display disk usage per directory or file ( Index Term Link )
 
 dump — dump selected parts of an object file ( Index Term Link )
 
 dump selected parts of an object file — dump ( Index Term Link )
 
 dump selected parts of an object file — elfdump ( Index Term Link )
 
 dumpcs — show codeset table for the current locale ( Index Term Link )
 
 dumpkeys — dump keyboard translation tables ( Index Term Link )