Linux Learning notes and assignments 1

Learning environment: CentOS under Virtual machine

command to shut down Linux system init 0

How to switch between virtual terminals: Ctrl + ALT +[F1~F6]

Clear screen Clear or ctrl+l

Stop Ctrl + C

Man [command] View the command's reference manual

[command]--help get help (same man)

Common Commands and Demos:

• Useradd
• passwd
• Su

• Date
• Aa.

• Ls

• Cd
• Pwd

• Mkdir
• Touch
• Cp
• Rm

Summary and supplement:

LS     displays all files and folders in the current directory
CD  /root/Desktop   switch to the desktop if you do not know the full name of the folder to open or long, you can press the TAB keyboard Auto-completion, such as: CD/  R + TAB, the system automatically help us into the/ROOTCD.    (Next space plus two points) return to the previous level of the directory PWD     display the current directory path mkdir  Test           Create folder Touch  new.txt      Create file cp nwe.txt  new2.txt       Copy the New.txt file under the current folder new2.txtcp new.txt  /root/Desktop       will new.txt copy to/root/Desktop  directory rm  New.txt Delete        new.txt file rm-  r  Test        Delete Test directory (including all files under directory) RM  -RF Test         Delete Test directory (do not delete every file reminder in directory) MV       New.txt. Move the New.txt file to the top-level directory (note the two points at the end) MV New.txt  /root/Desktop/      move new.txt files to the desktop

MV  New.txt  new2.txt       renamed New.txt to New2.txt

2016.11.09

Linux Learning notes and assignments 1