Common Linux Commands

1. mkdir set up directory $ mkdir TestDir

2, LS list content under the directory Ls-al TestDir

3. CD replacement current working directory CD TestDir

4. PWD Displays the current working directory PWD

5. CP copy file or directory CP test.txt Test.bak

6. MV Rename (move) file mv TestDir Testdirbak

7. RM Delete files or directories RM-RF TestDir

8. Cat

displaying file contents cat filename

Create a new file cat > Fllename end with EOF or stop

Connecting multiple files output to a file cat file1 file2 >file3

9. more/less View File contents more/less filename more: Press space to continue less: up and down Arrows press Q to end the view

10, Head/tail View the file head/tail content TAIL-F log monitoring logs information;

11. PS View process Ps-aef|grep ' name '

12. Kill Process Kill-9 Number

13. Jobs View the serial number of the commands being executed in the background jobs

14, BG/FG designated Jobid in the background/front-end operation Crtr+z BG Jobid; FG Jobid

15, DU/DF View the disk space consumption of the file system DU/DF

Common Linux Commands