[问题]ubuntu帮助中一些信息如apt（8）数字啥概念？？？
发表于 ： 2007-08-12 4:37
如题，在帮助文档中有如APT(8),SOURCES.LIST(5)形式的文字，不知其中的数字是什么概念？？？谢谢！！
这是manual文档的类型
你man man一下就知道了
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 eg /etc/passwd
6 Games
7 Miscellaneous (including macro packages and conven‐
tions), e.g. man(7), groff(7)
8 System administration commands (usually only for root)
9 Kernel routines [Non standard]