This is unix , require to set up PuTTy , 

CS4315 Operating SystemsLab

1: Linux TutorialTry the following commands on Gator Linux system and record the response you get for eachcommand1. find out the usage of "ls" using man (record only the first two lines)

2. find out the usage of C function "finger" (record only the first two lines)

3. use "alias" to make "dir" equivalent to "ls -lF" and then run "dir"

4. use "ls -a" to list all hidden files

5. use "cat" to list the content of file ".bash_profile"

6. use tilde to list the content of your home directory

7. create a subdirectory "Projects" in your home directory

8. move a file from your home directory to subdirectory "Projects"

9. copy the file you moved back to your home directory

10. erase the files in your "Projects" subdirectory

11. erase subdirectory "Projects"12. use "cat" to copy two files into one file

13. use "grep" to search for your user name in your ".bash_profile" file

14. count the number of words in your ".bash_profile" file

15. find out all the users that are in the system

16. use pipe to find the listing of users that are currently in the system and write the result toa file userlist.txt. Then display the content of userlist.txt on your screen. Copy thescreen for submission (i.e. you submit an image file screen.jpg).