获取帮助信息

获取帮助信息

😄 Written by Zak Zhu

参考

  • 鸟哥私房菜
  • RHCE培训

whatis

e.g. whatis passwd

1

Man Page

Usage: man [SECTION] COMMAND

SECTION Meaning
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 conventions)
8 System administration commands (usually only for root)
9 Kernel routines [Non standard]

COMMAMD --help

e.g. ls --help

Extended Doc

  1. /usr/share/doc

  2. Red Hat Documentation

    1. Docs: http://www.redhat.com/docs/
    • Installation Guide
    • Deployment Guide
    • Virtualization Guide
    1. Knowledge base: http://kbase.redhat.com/
    • Common questions and their solutions
    1. Deployment Guide:
    • System->Documentation->Deployment Guide
    • yelp ghelp:Deployment_Guide
posted @ 2019-10-07 23:42  ZakZhu  阅读(102)  评论(0编辑  收藏  举报