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319 lines
10 KiB
XML
319 lines
10 KiB
XML
<sect2><title> </title><para> </para></sect2>
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<sect2><title>Descriptions</title>
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<sect3><title>Program file descriptions</title>
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<sect4><title>basename</title>
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<para>basename strips directory and suffixes from filenames.</para></sect4>
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<sect4><title>cat</title>
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<para>cat concatenates file(s) or standard input to
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standard output.</para></sect4>
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<sect4><title>chgrp</title>
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<para>chgrp changes the group ownership of each given file to the named group,
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which can be either a group name or a numeric group ID.</para></sect4>
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<sect4><title>chmod</title>
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<para>chmod changes the permissions of each given file according to mode, which
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can be either a symbolic representation of changes to make or an octal
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number representing the bit pattern for the new permissions.</para></sect4>
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<sect4><title>chown</title>
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<para>chown changes the user and/or group ownership of each
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given file.</para></sect4>
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<sect4><title>chroot</title>
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<para>chroot runs a command or interactive shell with special
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root directory.</para></sect4>
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<sect4><title>cksum</title>
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<para>cksum prints CRC checksum and byte counts of each specified
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file.</para></sect4>
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<sect4><title>comm</title>
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<para>comm compares two sorted files line by line.</para></sect4>
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<sect4><title>cp</title>
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<para>cp copies files from one place to another.</para></sect4>
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<sect4><title>csplit</title>
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<para>csplit outputs pieces of a file separated by (a) pattern(s) to files
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xx01, xx02, ..., and outputs byte counts of each piece to standard
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output.</para></sect4>
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<sect4><title>cut</title>
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<para>cut prints selected parts of lines from specified files to standard
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output.</para></sect4>
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<sect4><title>date</title>
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<para>date displays the current time in a specified format, or sets
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the system date.</para></sect4>
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<sect4><title>dd</title>
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<para>dd copies a file (from the standard input to the standard output, by
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default) with a user-selectable blocksize, while optionally performing
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conversions on it.</para></sect4>
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<sect4><title>df</title>
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<para>df displays the amount of disk space available on the filesystem
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containing each file name argument. If no file name is given, the space
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available on all currently mounted filesystems is shown.</para></sect4>
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<sect4><title>dir, ls and vdir</title>
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<para>dir and vdir are versions of ls with different default output formats.
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These programs list each given file or directory name. Directory contents
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are sorted alphabetically. For ls, files are, by default, listed in columns
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sorted vertically if the standard output is a terminal; otherwise they
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are listed one per line. For dir, files are, by default, listed in columns
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sorted vertically. For vdir, files are, by default, listed in
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long format.</para></sect4>
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<sect4><title>dircolors</title>
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<para>dircolors outputs commands to set the LS_COLOR environment variable.
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The LS_COLOR variable is use to change the default color scheme used by
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ls and related utilities.</para></sect4>
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<sect4><title>dirname</title>
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<para>dirname strips non-directory suffixes from file name.</para></sect4>
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<sect4><title>du</title>
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<para>du displays the amount of disk space used by each file or directory
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listed on the command-line and by each of their subdirectories.</para></sect4>
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<sect4><title>echo</title>
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<para>echo displays a line of text.</para></sect4>
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<sect4><title>env</title>
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<para>env runs a program in a modified environment.</para></sect4>
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<sect4><title>expand</title>
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<para>expand converts tabs in files to spaces, writing to standard
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output.</para></sect4>
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<sect4><title>expr</title>
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<para>expr evaluates expressions.</para></sect4>
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<sect4><title>factor</title>
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<para>factor prints the prime factors of all specified
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integer numbers.</para></sect4>
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<sect4><title>false</title>
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<para>false always exits with a status code indicating failure.</para></sect4>
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<sect4><title>fmt</title>
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<para>fmt reformats each paragraph in the specified file(s), writing to
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standard output.</para></sect4>
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<sect4><title>fold</title>
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<para>fold wraps input lines in each specified file (standard input by default),
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writing to standard output.</para></sect4>
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<sect4><title>groups</title>
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<para>groups prints a user's group memberships.</para></sect4>
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<sect4><title>head</title>
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<para>head prints the first xx (10 by default) lines of each specified file to
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standard output.</para></sect4>
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<sect4><title>hostid</title>
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<para>hostid prints the numeric identifier (in hexadecimal) for the current
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host.</para></sect4>
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<sect4><title>hostname</title>
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<para>hostname reports or sets the name of the current host.</para></sect4>
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<sect4><title>id</title>
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<para>id prints the effective user and group IDs of the current
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user or a given user.</para></sect4>
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<sect4><title>install</title>
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<para>install copies files and sets their permission modes and, if possible,
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their owner and group.</para></sect4>
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<sect4><title>join</title>
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<para>join joins lines of two files on a common field.</para></sect4>
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<sect4><title>kill</title>
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<para>kill terminates the given process.</para></sect4>
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<sect4><title>ln</title>
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<para>ln makes hard or soft (symbolic) links between files.</para></sect4>
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<sect4><title>logname</title>
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<para>logname prints the current user's login name.</para></sect4>
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<sect4><title>md5sum</title>
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<para>md5sum prints or checks MD5 checksums.</para></sect4>
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<sect4><title>mkdir</title>
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<para>mkdir creates directories with a given name.</para></sect4>
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<sect4><title>mkfifo</title>
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<para>mkfifo creates a FIFO with each given name.</para></sect4>
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<sect4><title>mknod</title>
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<para>mknod creates a FIFO, character special file or block special file
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with the given file name.</para></sect4>
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<sect4><title>mv</title>
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<para>mv moves files from one directory to another or renames files, depending
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on the arguments given to mv.</para></sect4>
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<sect4><title>nice</title>
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<para>nice runs a program with modified scheduling priority.</para></sect4>
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<sect4><title>nl</title>
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<para>nl writes each specified file to standard output, with line numbers
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added.</para></sect4>
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<sect4><title>nohup</title>
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<para>nohup runs a command immune to hangups, with output to a
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log file.</para></sect4>
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<sect4><title>od</title>
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<para>od writes an unambiguous representation, octal bytes by default, of a
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specified file to standard output.</para></sect4>
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<sect4><title>paste</title>
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<para>paste writes lines consisting of the sequentially corresponding
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lines from each specified file, separated by TABs,
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to standard output.</para></sect4>
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<sect4><title>pathchk</title>
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<para>pathchk checks whether file names are valid or portable.</para></sect4>
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<sect4><title>pinky</title>
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<para>pinky is a lightweight finger utility which retrieves information about
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a certain user.</para></sect4>
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<sect4><title>pr</title>
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<para>pr paginates or columnates files for printing.</para></sect4>
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<sect4><title>printenv</title>
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<para>printenv prints all or part of the environment.</para></sect4>
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<sect4><title>printf</title>
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<para>printf formats and prints data (the same as the C printf
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function).</para></sect4>
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<sect4><title>ptx</title>
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<para>ptx produces a permuted index of file contents.</para></sect4>
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<sect4><title>pwd</title>
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<para>pwd prints the name of the current/working directory.</para></sect4>
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<sect4><title>rm</title>
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<para>rm removes files or directories.</para></sect4>
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<sect4><title>rmdir</title>
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<para>rmdir removes directories, if they are empty.</para></sect4>
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<sect4><title>seq</title>
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<para>seq prints numbers in a certain range with a certain
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increment.</para></sect4>
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<sect4><title>sha1sum</title>
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<para>sha1sum prints or checks 160-bit SHA1checksums.</para></sect4>
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<sect4><title>shred</title>
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<para>shred deletes a file securely, overwriting it first so that its
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contents can't be recovered.</para></sect4>
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<sect4><title>sleep</title>
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<para>sleep delays for a specified amount of time.</para></sect4>
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<sect4><title>sort</title>
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<para>sort writes sorted concatenation of files to standard
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output.</para></sect4>
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<sect4><title>split</title>
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<para>split outputs fixed-size pieces of an input file to
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PREFIXaa, PREFIXab, ...</para></sect4>
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<sect4><title>stty</title>
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<para>stty changes and prints terminal line settings.</para></sect4>
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<sect4><title>su</title>
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<para>su runs a shell with substitute user and group IDs.</para></sect4>
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<sect4><title>sum</title>
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<para>sum prints checksum and block counts for each specified
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file.</para></sect4>
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<sect4><title>sync</title>
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<para>sync forces changed blocks to disk and updates the
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super block.</para></sect4>
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<sect4><title>tac</title>
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<para>tac writes each specified file to standard output, last line
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first.</para></sect4>
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<sect4><title>tail</title>
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<para>tail print the last xx (10 by default) lines of each specified file to
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standard output.</para></sect4>
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<sect4><title>tee</title>
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<para>tee reads from standard input and writes to standard output and
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files.</para></sect4>
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<sect4><title>test</title>
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<para>test checks file types and compares values.</para></sect4>
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<sect4><title>touch</title>
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<para>touch changes the access and modification times of each given file to the
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current time. Files that do not exist are created empty.</para></sect4>
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<sect4><title>tr</title>
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<para>tr translates, squeezes, and/or deletes characters from standard
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input, writing to standard output.</para></sect4>
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<sect4><title>true</title>
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<para>true always exits with a status code indicating success.</para></sect4>
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<sect4><title>tsort</title>
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<para>tsort writes totally ordered lists consistent with the partial ordering
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in specified files.</para></sect4>
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<sect4><title>tty</title>
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<para>tty prints the file name of the terminal connected to standard
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input.</para></sect4>
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<sect4><title>uname</title>
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<para>uname prints system information.</para></sect4>
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<sect4><title>unexpand</title>
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<para>unexpand converts spaces in each file to tabs, writing to standard
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output.</para></sect4>
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<sect4><title>uniq</title>
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<para>uniq removes duplicate lines from a sorted file.</para></sect4>
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<sect4><title>uptime</title>
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<para>uptime tells how long the system has been running.</para></sect4>
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<sect4><title>users</title>
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<para>users prints the user names of users currently logged in to the
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current host.</para></sect4>
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<sect4><title>wc</title>
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<para>wc prints line, word and byte counts for each specified file and a
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total line, if more than one file is specified.</para></sect4>
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<sect4><title>who</title>
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<para>who shows who is logged on.</para></sect4>
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<sect4><title>whoami</title>
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<para>whoami prints the user name associated with the current
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effective user ID.</para></sect4>
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<sect4><title>yes</title>
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<para>yes outputs 'y' or a given string repeatedly,
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until killed.</para></sect4>
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</sect3>
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</sect2>
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