2. Manuals

• man

• -h or --help

• Kernel Documentation 1

1   Executable programs or shell commands
2   System calls (functions provided by the kernel)
3   Library calls (functions within program libraries)
4   Special files (usually found in /dev)
5   File formats and conventions, e.g. /etc/passwd
6   Games
7   Miscellaneous  (including macro packages and conventions),
   e.g. man(7), groff(7), man-pages(7)
8   System administration commands (usually only for root)
9   Kernel routines [Non standard]

Conventional section names include NAME, SYNOPSIS, CONFIGURA‐ TION, DESCRIPTION, OPTIONS, EXIT STATUS, RETURN VALUE, ERRORS, ENVIRONMENT, FILES, VERSIONS, CONFORMING TO, NOTES, BUGS, EX‐ AMPLE, AUTHORS, and SEE ALSO.

2.1. Commands

Table 2.1. Documentation

Command	Type	Description
man		an interface to the system reference manuals
man		macros to format man pages
apropos		search the manual page names and descriptions
whatis		display one-line manual page descriptions
whereis		locate the binary, source, and manual page files for a command
which		locate a command

2.2. References

1

Linux Kernel Organization, Inc. The Linux Kernel documentation. Year: 2019. Retrieved: 2019-01-23. URL: https://www.kernel.org/doc/html/latest/