Linux System - Table 12 > Packages - Table 1 & 2 > man

\"The man package includes three tools for finding information and/ordocumentation about your Linux system: man, apropos and whatis. The mansystem formats and displays on-line manual pages about commands orfunctions on your system. Apropos searches the whatis database(containing short descriptions of system commands) for a string. Whatissearches its own database for a complete word. The man package shouldbe installed on your system because it is the primary way for findingdocumentation.\"