command.

PDL::Doc::Perldl (3pm) - commands for accessing PDL doc database from 'perldl' shell
PDL::State (3pm)     - A package to keep track of plotting commands
text_compare.pl (1p) - simple command-line interface to Text::Similarity
PDL::Doc::Perldl (3pm) - commands for accessing PDL doc database from 'perldl' shell
PDL::State (3pm)     - A package to keep track of plotting commands
text_compare.pl (1p) - simple command-line interface to Text::Similarity
HEAD (1p)            - Simple command line user agent
Apache2::CmdParms (3pm) - Perl API for Apache command parameters object
Apache2::Command (3pm) - Perl API for accessing Apache module command information
apt-file (1)         - APT package searching utility - command-line interface
apt-get (8)          - APT package handling utility - - command-line interface
bash-builtins (7)    - bash built-in commands, see bash(1)
blkid (8)            - command-line utility to locate/print block device attributes
blockdev (8)         - call block device ioctls from the command line
builtins (7)         - bash built-in commands, see bash(1)
chroot (8)           - run command or interactive shell with special root directory
cmdline (3tcl)       - Procedures to process command lines and options.
cpan (1)             - easily interact with CPAN from the command line
cron (8)             - daemon to execute scheduled commands (Vixie Cron)
csh (1)              - C shell with file name completion and command line editing
dash (1)             - command interpreter (shell)
dbiprof (1p)         - command-line client for DBI::ProfileData
dcraw (1)            - command-line decoder for raw digital photos
ExtUtils::Command (3perl) - utilities to replace common UNIX commands in Makefiles etc.
ExtUtils::Command::MM (3perl) - Commands for the MM's to use in Makefiles
fdrawcmd (1)         - send raw commands to the floppy disk controller TQ
find2perl (1)        - translate find command lines to Perl code
gemri (1)            - the ri command that includes gems documents
GET (1p)             - Simple command line user agent
getopt (1)           - parse command options (enhanced)
getopt (3)           - Parse command line options
Getopt::Long (3perl) - Extended processing of command line options
getopt_long (3)      - Parse command line options
getopt_long_only (3) - Parse command line options
gnome-options (7)    - Standard Command Line Options for GNOME 2 Programs
grub-terminfo (8)    - Generate a terminfo command from a terminfo name
gtk-options (7)      - Standard Command Line Options for GTK+ Programs
hosts.equiv (5)      - list of hosts and users that are granted "trusted"r command access to your system
htfuzzy (1)          - fuzzy command-line search utility for the ht://Dig search engine
initscript (5)       - script that executes inittab commands.
intro (1)            - Introduction to user commands
intro (8)            - Introduction to administration and privileged commands
lastcomm (1)         - print out information about previously executed commands.
lockfile-create (1)  - command-line programs to safely lock and unlock files and mailboxes (via liblockfile).
lockfile-progs (1)   - command-line programs to safely lock and unlock files and mailboxes (via liblockfile).
lockfile-remove (1)  - command-line programs to safely lock and unlock files and mailboxes (via liblockfile).
lockfile-touch (1)   - command-line programs to safely lock and unlock files and mailboxes (via liblockfile).
logger (1)           - a shell command interface to the syslog(3) system log module
logsave (8)          - save the output of a command in a logfile
lwp-request (1p)     - Simple command line user agent
magic (5)            - file command's magic number file
mail-lock (1)        - command-line programs to safely lock and unlock files and mailboxes (via liblockfile).
mail-touchlock (1)   - command-line programs to safely lock and unlock files and mailboxes (via liblockfile).
mail-unlock (1)      - command-line programs to safely lock and unlock files and mailboxes (via liblockfile).
mldonkey_command (1) - a wrapper to send command to a mlnet server.
mysql (1)            - the MySQL command-line tool
mysqladmin [OPTIONS] command command.... (1) [mysqladmin] - client for administering a MySQL server
Net::Cmd (3perl)     - Network Command class (as used by FTP, SMTP etc)
nohup (1)            - run a command immune to hangups, with output to a non-tty
nroff (1)            - emulate nroff command with groff
openssl (1ssl)       - OpenSSL command line tool
pg_wrapper (1)       - Wrapper program for PostgreSQL commands
php (1)              - PHP Command Line Interface 'CLI'
php4 (1)             - PHP Command Line Interface 'CLI'
php5 (1)             - PHP Command Line Interface 'CLI'
Pod::InputObjects (3perl) - objects representing POD input paragraphs, commands, etc.
POST (1p)            - Simple command line user agent
prove (1)            - - A command-line tool for running tests against Test::Harness
ptksh (1p)           - Perl/Tk script to provide a graphical user interface for testing Perl/Tk commands and scripts.
rcsintro (1)         - introduction to RCS commands
rrdgraph_graph (1)   - rrdtool graph command reference
runcon (1)           - run command with specified security context
sg (1)               - execute command as different group ID
Shell (3perl)        - run shell commands transparently within perl
shtool-path (1)      - GNU shtool command dealing with shell path variables
shtool-tarball (1)   - GNU shtool command for rolling standardized tarballs
snmpcmd (1)          - commands to communicate with a network entity using SNMP Requests.
spawn (8postfix)     - Postfix external command spawner
ssh-argv0 (1)        - replaces the old ssh command-name as hostname handling
sudo (8)             - execute a command as another user
svn (1)              - Subversion command line client tool
SWISH-RUN (1)        - Running Swish-e and Command Line Switches
tcsh (1)             - C shell with file name completion and command line editing
texshow (1)          - ConTeXt command and parameter reference
thinkjettopbm (1)    - convert HP ThinkJet printer commands file to PBM
Tk::after (3pm)      - Execute a command after a time delay
Tk::CmdLine (3pm)    - Process standard X11 command line options and set initial resources
Tk::send (3pm)       - Execute a command in a different application
Tk::Submethods (3pm) - add aliases for tk sub-commands
Tk::tixWm (3pm)      - Tix's addition to the standard TK wm command.
update-alternatives (8) - maintain symbolic links determining default commands
uuidgen (1)          - command-line utility to create a new UUID value
w3c (1)              - the W3C Command Line Tool.
xargs (1)            - build and execute command lines from standard input