Man

时间: 2021-11-23 20:40:40

参考：

1. man man

man 手册介绍

分页介绍

The table below shows the section numbers of the manual followed by the types of pages they contain.

#   可执行程序或shell命令
1   Executable programs or shell commands
#   系统调用
2   System calls (functions provided by the kernel)
#   库调用，编程语言的库
3   Library calls (functions within program libraries)
#   /dev 下的文件
4   Special files (usually found in /dev)
#   文件格式
5   File formats and conventions, e.g. /etc/passwd
#   游戏
6   Games
#   
7   Miscellaneous (including macro packages and conventions), e.g. man(7), groff(7)
#   管理员命令
8   System administration commands (usually only for root)
9   Kernel routines [Non standard]