The hash built-in Bash command manual page and help. The hash command is a tool for annotating or displaying the location of programs.

Manual page and help for the pgmtolispm linux command. The pgmtolispm command converts PGM (Portable Graymap) image files to Lisp machine format.

The getopts built-in Bash command manual page and help. Getopts is used by shell procedures to analyze positional parameters.

Manual page and help for the pgrep linux command. Pgrep scans the processes that are currently running and lists their process IDs (PIDs) on the standard output that meet the conditions specified in the parameter (s). All criteria must be the same.

Manual page and help for the pkill linux command. Pkill scans the processes that are currently running and sends a SIGTERM signal to them (kill them) that meet the conditions. All criteria must be the same.

Manual page and help for the gs linux command. Gs (Ghostscript) is a PostScript and PDF language processing and preview utility.

Manual page and help for the dpkg-mergechangelogs linux command. The dpkg-mergechangelogs command creates a merged changelog file using the provided version of Debian changelog 3. Writes the resulting change log result to the specified file or displays it on standard output if no parameter is specified.

The manual page and help for the fc built-in Bash command. You can use fc to print, modify, and re-execute previous commands. FIRST and LAST can be numbers that specify a range, or FIRST can be a string that represents the last command that begins that way.

Manual page and help for the arecordmidi linux command. Arecordmidi is a command line utility that records a MIDI file from one or more ALSA sequencer ports.

Manual page and help for the mysqld_safe linux command. Mysqld_safe is the recommended way to start a mysqld service. mysqld_safe provides some security features for the mySQL server, such as restarting the server in the event of an error and logging runtime information to an error log file.