man命令详解
- 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)
- 8 System administration commands (usually only for root)
- 9 Kernel routines [Non standard]
