Linux system Architecture and commands

1. Directory structure

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/root directory

~ Current User Home Directory

. Current directory

.. Top level Directory

[Email protected]/]#

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Chestnuts:

[[email protected] ~]$ #刚进入用户终端Terminal, Saber on behalf of ordinary users, localhost for native, ~ represents the current user home directory

[[Email protected] ~]$ CD.        #当前目录用. [Email protected] ~]$ Pwd/home/saber[[email protected] ~]$ CD        . #上一级目录目录: [Email protected] home]$ Pwd/home[[email protected] home]$ CD ~    #当前用户主目录 ~[[email protected] ~]$ pwd/home/ Saber[[email protected] ~]$ su            #进入root管理员权限, but the directory does not change Password: [[email protected] saber]# CD./home/saber[[ Email protected] saber]# CD ~     #当前用户主目录 ~[[email protected] ~]# CD. [[email protected]/]#                     #根目录/[[email protected]/]# Pwd/[[email protected]/]# CD ~[[email protected] ~]# p Wd/root        

2. Some common commands

PWD #查看绝对路径

File filename #查看file文件属性

LS #查看当前目录下的所有文件, shorthand for list

Ls-r #递归显示子目录文件

Ls-la list all files, including hidden files

LS-L lists all the files and displays their properties.

Linux system Architecture and commands