Linux Learning Categories: Common commands (continuous update)

Mkdir=make directorys= Creating a directory

Example:

Mkdir/data= creating the Data directory at the root/bottom

Ls=list= List Directory file

Example:

LS/= directory and file under Reagan/directory

Parameters:

-L (long) = long format

-D (Directorys) = view Directory

Cd=change directory= Changing directory path

Related concepts:

Relative path and absolute path:

Windows absolute Path: E:\Study\Video, the path from the beginning (drive letter)

Linux absolute path: Cat/etc/sysconfig/network-scripts/ifcfg-eth0, path from root/start

Relative path: Does not start from/root, does not start from the beginning of the path

Example:

CD/= switch to the root directory

Pwd=print work directory= Print working directory (show current path)

Touch= creating a file or updating a file timestamp

Vi=windows Notepad, simple.

Example:

VI Oldboy.txt

vim= complex editor, Shell programming or command use

echo= print out content, with ' > ' or ' >> ' to overwrite or append content to a file

Special symbols:

REDIRECT will clear all previous data in the file

>>: Append redirect, append content, append only required content at end of file

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Linux Learning Categories: Common commands (continuous update)