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it:linux:help

Table of Contents

帮助与手册

man

man - an interface to the on-line reference manuals

$ man <section> <subject>
 
# 查看 <subject> 有多(少) man
$ man -f <subject>
 
# 在命令名及摘要中按关键词查找
$ man -k <keyword>
sections
1*Executable programs or shell commands
2System calls (functions provided by the kernel)
3Library calls (functions within program libraries)
4Special files (usually found in /dev)
5*File formats and conventions eg /etc/passwd
6Games
7Miscellaneous (including macro packages and conventions), e.g. man(7), groff(7)
8*System administration commands (usually only for root)
9Kernel routines [Non standard]

* 常用

tips

  • 查看 ascii 表: man ascii
it/linux/help.txt · Last modified: 2013/08/19 07:22 (external edit)