apropos - Locates reference pages by keyword
The apropos command shows which reference pages contain
instances of any of the given keywords in their purpose
Specifies the word(s) for which apropos should search.
In looking for keywords, apropos considers each word separately
and ignores the case of letters. Words that are
part of other words are also considered; thus, when looking
for the word compile, apropos will also find all
instances of compiler.
If the output of the apropos command begins with a name
and reference section number, you can enter man section
name. For example, if the output of the apropos command is
make(1u), you can enter man 1u make to obtain the reference
page on System V version of the make command.
The apropos command works just like the man command with
the -k option.
To find reference pages with the keyword password in the
purpose line, enter: apropos password
Commands: man(1), whatis(1), catman(8)
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