apropos-searches the whatis database for strings

apropos ”searches the whatis database for strings

 apropos keyword ... 

apropos searches a set of database files (see directory /usr/man/whatis ) containing short descriptions of system commands for keywords and displays the result on the standard output. Same as man -k .

Example A.1.

 1 $  apropos bash   bash (1)                 - GNU Bourne-Again SHell  2 $  man -k tcsh   tsh (1)               - C shell with filename completionand command-line editing  

EXPLANATION

1. apropos searches for the keyword bash and prints a short description of what it is.

2. man -k behaves the same as apropos.