Linux directory switching implementation code example

Switching files is a common operation in Linux. When you first learn Linux, the first command you come into contact with is file switching.

pwd: Display the current directory

~: root directory

/: root directory

ls: View all files and directories in the current directory

cd usr Switch to the usr directory under this directory

cd ../ Switch to the previous directory

cd / Switch to the system root directory

cd ~ Switch to the user's home directory

cd - switch to the previous directory (go back)

Code Sample

yangw@codecompile:~/RK3288_Lakala/kernel/arch/arm/boot/dts$ cd -
  /home/yangw
  yangw@codecompile:~$ pwd
  /home/yangw
  yangw@codecompile:~$ cd - 
  /home/yangw/RK3288_Lakala/kernel/arch/arm/boot/dts
  yangw@codecompile:~/RK3288_Lakala/kernel/arch/arm/boot/dts$ pwd
  /home/yangw/RK3288_Lakala/kernel/arch/arm/boot/dts
  yangw@codecompile:~/RK3288_Lakala/kernel/arch/arm/boot/dts$ cd ~
  yangw@codecompile:~$ pwd
  /home/yangw
  yangw@codecompile:~$ cd /
  yangw@codecompile:/$ pwd
  /
  yangw@codecompile:/$ cd -
  /home/yangw

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