apropos searches a set of database files containing short descriptions
of system commands for keywords and displays the result on the
John W. Eaton was the original author of
man. Zeyd M. Ben-Halim released man 1.2, and Andries Brouwer followed up with versions 1.3 thru 1.5p.
Federico Lucifredi <firstname.lastname@example.org> is the current maintainer.