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csh(1) -- a shell (command interpreter) with C-like syntax
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csh is a command language interpreter incorporating a history mechanism (see History substitutions), job control facilities (see Jobs), interactive file name and user name completion (see File name co... |
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ctags(1) -- create a tags file
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ctags makes a tags file for ex(1) from the specified C, Pascal, Fortran, YACC, lex, and lisp sources. A tags file gives the locations of specified objects in a group of files. Each line of the tags fi... |
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cu(1) -- connect to a remote system
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tip and cu establish a full-duplex connection to another machine, giving the appearance of being logged in directly on the remote CPU. It goes without saying that you must have a login on the machine ... |
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cut(1) -- select portions of each line of a file
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The cut utility selects portions of each line (as specified by list) from each file (or the standard input by default), and writes them to the standard output. The items specified by list can be in te... |
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cvs(1) -- Concurrent Versions System
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CVS is a version control system, which allows you to keep old versions of files (usually source code), keep a log of who, when, and why changes occurred, etc., like RCS or SCCS. Unlike the simpler sys... |
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date(1) -- display or set date and time
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When invoked without arguments, the date utility displays the current date and time. Otherwise, depending on the options specified, date will set the date and time or print it in a user-defined way. O... |
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dbmmanage(1) -- Create and update user authentication files in DBM format
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dbmmanage is used to create and update the DBM format files used to store usernames and password for basic authentication of HTTP users. Resources available from the httpd Apache web server can be res... |
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dc(1) -- desk calculator
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dc is an arbitrary precision arithmetic package. The overall structure of dc is a stacking (reverse Polish) calculator i.e. numbers are stored on a stack. Adding a number pushes it onto the stack. Ari... |
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dd(1) -- convert and copy a file
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The dd utility copies the standard input to the standard output, applying any specified conversions. Input data is read and written in 512-byte blocks. If input reads are short, input from multiple re... |
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deroff(1) -- remove nroff/troff, eqn, pic and tbl constructs
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deroff reads each file in sequence and removes all nroff(1) and troff(1) command lines, backslash constructions, macro definitions, eqn(1) constructs (between `.EQ' and `.EN' lines or between delimi... |
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df(1) -- display free disk space
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The df utility displays statistics about the amount of free disk space on the specified file_system or on the file system of which file is a part. By default, values are displayed as 512-byte block co... |
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diff(1) -- differential file and directory comparator
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The diff utility compares the contents of file1 and file2 and writes to the standard output the list of changes necessary to convert one file into the other. No output is produced if the files are ide... |
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diff3(1) -- 3-way differential file comparison
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The diff3 utility compares the contents of three different versions of a file, file1, file2 and file3, writing the result to the standard output. The options describe different methods of merging and ... |
