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WHATIS(1) | 
General Commands Manual | 
WHATIS(1) | 
NAME
 whatis — describe what a command is
DESCRIPTION
 The whatis program queries the database /var/db/man.db for manual pages with name command and prints the name of the manual page, the section and the description from the section NAME.
HISTORY
 The 
whatis command appeared in 3.0BSD. It was rewritten in 
NetBSD 6.0 to use the SQLite index created by 
makemandb(8).