This page is part of the course work for CS360: Systems Tools course offered by the Computer Science Department at CalState, San Bernardino, California, USA. It was generated by Dr. Dick Botting.

• Typical Unix Commands
• : Commands beginning ABCD
• : Commands beginning with EFGH
• : Commands beginning with IJKLMN
• : Commands beginning with OPQR
• : Commands beginning with STUVWXYZ
• Submit Your Notes Here

Typical Unix Commands

Commands beginning ABCD

1. adb::command, general-purpose debugger.
2. apropos::command, locate commands by keyword lookup.
3. ar::command, maintain portable archive or library.
4. as::command, assembler.
5. at::command, execute commands at a later time.
6. awk::command, pattern scanning and processing language.

7. banner::command, make posters.
8. basename::command, display portions of pathnames.
9. batch::command, execute commands at a later time.
10. bc::command, arbitrary precision arithmetic language.
11. biff::command, give notice of incoming mail messages.

12. cal::command, display a calendar.
13. calendar::command, reminder service.
14. cancel::command, send/cancel requests to an LP print service.
15. cat::command, concatenate and display files.
16. cc::command, C compiler.
17. cd::command, change working directory.
18. chmod::command, change the permissions mode of a file.
19. chown::command, change owner.
20. clear::command, clear the terminal screen.
21. cmp::command, compare two files.
22. col::command, reverse line-feeds filter.
23. comm::command, select or reject lines common to two sorted files.
24. compress::command, compress, uncompress files or display expanded files.
25. cp::command, copy files.
26. crontab::command, user crontab file.
27. crypt::command, encode or decode a file.
28. csh::command, shell command interpreter with a C-like syntax.
29. csplit::command, split a file with respect to a given context.
30. ctags::command, create a tags file for use with ex and vi.
31. cut::command, cut out selected fields of each line of a file.

32. date::command, print and set the date.
33. dc::command, desk calculator.
34. df::command, display status of disk space on file systems.
35. diff3::command, 3-way differential file comparison.
36. diff::command, display line-by-line differences between pairs of text files .
37. du::command, display the number of disk blocks used .

    Commands beginning with EFGH

38. echo::command, echo arguments to standard output.
39. ed::command, text editor.
40. edit::command, text editor (variant of ex for casual users).
41. egrep::command, search a file for a pattern using full regular expressions.
42. eject::command, eject media device from drive.
43. ex::command, text editor.
44. expand::command, expand TAB characters to SPACE characters, and vice versa.
45. expr::command, evaluate arguments as an expression.

46. factor::command, obtain the prime factors of a number.
47. false::command, provide truth values.
48. fgrep::command, search a file for a character string.
49. file::command, determine the type of a file by examining its contents.
50. find::command, find files.
51. finger::command, display information about local and remote users.
52. fmt::command, simple text formatters.
53. ftp::command, file transfer program.

54. getopt::command, parse command options.
55. getoptcvt::command, parse command options.
56. getopts::command, parse command options.
57. grep::command, search a file for a pattern.

58. head::command, display first few lines of files.
59. hostname::command, set or print name of current host system.

    Commands beginning with IJKLMN

60. kill::command, terminate a process by default.
61. ksh::command, KornShell, a command and programming language.

62. last::command, display login/logout information about users and terminals.
63. ld::command, link editor for object files.
64. lex::command, lexical analysis program generator.
65. ln::command, make hard or symbolic links to files.
66. login::command, sign on to the system.
67. lp::command, send/cancel requests to an LP print service.
68. lpstat::command, print information about the status of the LP print service.
69. ls::command, list the contents of a directory.

70. m4::command, macro processor.
71. mail::command, read mail or send mail to users.
72. mailx::command, interactive message processing system.
73. make::command, maintain, update, and regenerate related programs and files.
74. man::command, display reference manual pages; find pages by keyword.
75. mesg::command, permit or deny messages.
76. mkdir::command, make directories.
77. more::command, browse or page through a text file.
78. mv::command, move files.

79. nawk::command, pattern scanning and processing language.
80. nice::command, run a command at low priority.
81. nl::command, line numbering filter.
82. nm::command, print name list of an object file.
83. nohup::command, run a command immune to hangups and quits.
84. nroff::command, format documents for display or line-printer.

    Commands beginning with OPQR

85. od::command, octal dump.

86. pack::command, compress and expand files.
87. passwd::command, change login password and password attributes.
88. paste::command, merge same lines of several files or subsequent lines.
89. pg::command, files perusal filter for CRTs.
90. pr::command, print files.
91. ps::command, display the status of current processes.
92. pwd::command, working directory name.

93. rcp::command, remote file copy.
94. renice::command, alter priority of running processes.
95. rlogin::command, remote login.
96. rm::command, remove files or directories.
97. rmdir::command, remove files or directories.
98. rsh::command, shell, the standard, job control shell, and restricted.

    Commands beginning with STUVWXYZ

99. script::command, make typescript of a terminal session.
100. sed::command, stream editor.
101. set::command, set and unset local or global environment variables.
102. sh::command, shell, the standard, job control shell, and restricted.
103. shutdown::command, close down the system at a given time.
104. sleep::command, suspend execution for an interval.
105. sort::command, sort and/or merge files.
106. spell::command, find spelling errors.
107. split::command, split a file into pieces.
108. strings::command, find printable strings in an object or binary file.
109. strip::command, strip symbol table, debugging and line number information.
110. stty::command, set the options for a terminal.
111. sum::command, print checksum and block count for a file.

112. tabs::command, set tabs on a terminal.
113. tail::command, deliver the last part of a file.
114. talk::command, talk to another user.
115. tar::command, create tape archives, and add or extract files.
116. tbl::command, format tables for nroff or troff.
117. tee::command, replicate the standard output.
118. telnet::command, user interface to a remote system using the.
119. test::command, condition evaluation command.
120. tftp::command, trivial file transfer program.
121. time::command, time a command.
122. touch::command, update access time and/or modification time of a file.
123. tr::command, translate characters.
124. troff::command, typeset or format documents.
125. true::command, provide truth values.
126. tset::command, establish or restore terminal characteristics.
127. tty::command, get the name of the terminal.

128. umask::command, set file-creation mode mask.
129. uname::command, print name of current system.
130. uncompress::command, compress, uncompress files or display expanded files.
131. unexpand::command, expand TAB characters to SPACE characters, and vice versa.
132. uniq::command, report repeated lines in a file.
133. unpack::command, compress and expand files.
134. unset::command, set and unset local or global environment variables.
135. users::command, display a compact list of users logged in.
136. uudecode::command, encode a binary file, or decode its ASCII representation.
137. uuencode::command, encode a binary file, or decode its ASCII representation.

138. vedit::command, screen-oriented (visual) display editor based on ex.
139. vi::command, screen-oriented (visual) display editor based on ex.
140. view::command, screen-oriented (visual) display editor based on ex.
141. vipw::command, edit the password file.

142. w::command, who is logged in, and what are they doing.
143. wait::command, wait for a process to finish.
144. wc::command, display a count of lines, words and characters in a file.
145. whatis::command, display a one-line summary about a keyword.
146. whereis::command, locate the binary, source, and manual page files.
147. who::command, who is on the system.
148. whoami::command, display the effective current username.
149. whois::command, Internet user name directory service.
150. write::command, write to another user.

151. yacc::command, yet another compiler-compiler.
152. ypcat::command, print values in a NIS database.
153. ypmatch::command, print the value of one or more keys from a NIS map.
154. yppasswd::command, change your network password in the NIS database.
155. ypwhich::command, return name of NIS server or map master.

156. zcat::command, compress, uncompress files or display expanded files.

. . . . . . . . . ( end of section Typical Unix Commands) <<Contents | End>>

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