man command
- man - >> manual ## man is an abbreviation manual
- View man man man ## command help
- man passwd ## View passwd command help
man's level
- System Command
- System Interface
- Library
- Special files, such as device files
- file
- game
- Package System
- System Management Commands
- Core Rules
**
- man 5 passwd ## View Help / etc / passwd file
- man passwd ## View / etc / passwd file
- man -k passwd ## passwd to see how many levels in the system of man
**
man shortcut keys
| button | effect |
|---|---|
| Up and down keys | Up or down one line |
| pageup/pagedown | A screen up or down a screen |
| d/u | Half of the screen up or down |
| G/gg | Jump to page bottom or top man |
| / Keyword | A search keyword, the keyword is highlighted, n-matching downwardly, N up |
| q | Exit Help Page |
