Linux Basic Learning Notes-Lesson three: shortcut keys, endpoints, help

1. Restart Xwindows:alt+ctrl+backspace

2. Inter-terminal switching: Ctrl+alt+f1~f6 tty1-6, F7 for Xwindows

3. Root prompt: # Normal User: $

4. Language of environment variables: $LANG, $LANG =en_us

5. Man in code meaning: Man # command, man's config document in/etc/man.config, document under/usr/share/man

1: Instructions or executables that the user can manipulate in the shell environment

2: Functions and tools that can be called by the system core

3: Some common functions and libraries

4: Description of the device, usually the device file description under/dev

5: Configuration file or document format

6: Game Description

7: agreement and other instructions

8: Administrator can use instruction description

9: Documents related to Kernel

6. Useful commands: The following two commands mainly query the Whatis database, build the way: Makewhatis

1.man-f command: function with Whatis

2.man-k keyword: function with apropos, query lists all manuals containing keywords

7. Info

8./usr/share/doc: A variety of software documentation is stored in this directory

Man, info,/usr/share/doc Three formed a help description three Musketeers-:)

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Linux Basic Learning Notes-Lesson three: shortcut keys, endpoints, help