This article takes CentOS7this as an example.
Directory structure of this article
pwd command
1 purpose
Displays the absolute path of the current directory.
2 Basic grammar
pwd
ls command
1 purpose
View the contents of the current file directory.
2 Basic grammar
2.1 Basic format
ls [选项] [目录或文件路径]
2.2 Common options
-aIndicates that all files and directories in the directory are displayed (including hidden ones. Hidden files in Linux begin with..)
ls -a [目录或文件路径]
-lIndicates displaying file directory information in list form
ls -l [目录或文件路径]
cd command
1 purpose
Switch to the specified directory file.
2 Basic grammar
2.1 Basic format
cd [目录或文件路径]
2.2 Switch to the current user’s home directory
cd ~
2.3 Return to the previous level of the current directory
cd ..
mkdir command
1 purpose
Create a directory.
2 Basic grammar
2.1 Basic format
mkdir [选项] [要创建的目录]
2.2 Common options
- No options, only first-level directories can be created
mkdir [要创建的目录]
-pIndicates creating a multi-level directory
mkdir -p [要创建的目录]
rmdir command
1 purpose
Delete the directory.
2 Basic grammar
2.1 Basic format
rmdir [选项] [要创建的目录]
2.2 Common options
- No options, empty directories are also deleted by default.
rmdir [要创建的目录]
-rf, delete only non-empty directories
rmdir -rf [要创建的目录]
touch command
1 purpose
Create an empty file.
2 Basic grammar
touch [文件名]