man

•   man command examples

Display the man page of a specific command. 

 

$ man crontab


When a man page for a command is located under more than one section,
you can view the man page for that command from a specific section as shown
below.

$ man SECTION-NUMBER commandname


Following 8 sections are available in the man page.

1.    General commands

2.    System calls

3.    C library functions

4.    Special files (usually devices, those found in /dev) and drivers

5.    File formats and conventions

6.    Games and screensavers

7.    Miscellaneous

8.    System administration commands and daemons

For example, when you do whatis crontab, you’ll notice that crontab has
two man pages (section 1 and section 5). To view section 5 of crontab man page,
do the following.

$ whatis crontab





crontab (1)         
- maintain crontab files for individual users (V3)
crontab (5)         
- tables for driving cron

$ man 5 crontab