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UbuntuLinuxCommonShellCommands

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Application->Accessories->Terminal

ark@spark-desktop:~$

~ means: /home/spark

$ menas: normal users (# means root)

hundreds of commands can be used in linux, only 10 to 20 command are

usually used in everyday life.

command:

--help : option means output the help infomation.

1. echo $PATH

e.g.: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:...

2. ls -al (-l means list details info, -a means all the files,include hidden file

-m means list the files and dirs split with common,)

3. ifconfig

4. [command-name] --help , info [command-name] , man[command-name]

There are 7 run levels under linux, numbered from 0 to 6.

On ubuntu, run level 2 through 5 are exactly the same. Each runs the

GUI, Run level 1 runs a command prompt. 3 reserved,

ubuntu default leve is level 2.

CREATING ALIASES

If you've ever used DOS, you might find yourself inadvertently typing

DOS commands at the shell prompt. Some of these will actually work,

ecause most distribution companies create command aliases to ease

the transition of new commers to linux.

alias <DOS command > = '<Linux shell command>'

e.g. : alias del='rm'

UbuntuLinuxCommonShellCommands

UbuntuLinuxCommonShellCommands

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