man man_pagewhere man_page is either a command, or a special file. man then displays the information on the standard output, one screenful at a time. To see the next screenful, press the space bar (man works very similarly to the more command with a reduced functionality).
or
man -k key_word
keyword is a keyword that is found in the description of a man_page. When
man -k key_wordis issued, all commands containing, in its description, the word key_word, will be listed.
man pages are typically divided into 8 sections. The following table illustrates most man page sections on a Sun (mostly Berkeley Based) and on an Silicon Graphics (System V based) system:
Table 6.1: Sun and SGI man page sections.
Table content based on [p. 56]AF:UNIX.