LINUX - HOW TO USE ID COMMAND
The command is as follows:-
Command :- id root
In the above example, we can see the use of ID command for the user - odadmin and adam.
The above command shows us the uid, group id and details of any supplementary groups for the users:- odadmin and adam.
LINUX - HOW TO REBOOT A SERVER IN LINUX
The command is as follows:-
Command :-systemctl reboot
LINUX - HOW TO POWER OFF SERVER IN LINUX
The command is as follows:-
Command :-systemctl poweroff
Once the system is power off, the ssh connection will be disconnected.
LINUX - HOW TO UNZIP A FILE
The command is as follows:-
Command :-tar -xvzf /home/odadmin/test1/compress.tgz
In the above command, we have unzipped the file compress.tgz file with the tar command as shown below.
After zipping the file we can see the 3 files:- sorted1.txt, sorted.txt and sorttest.txt as shown above.
LINUX - HOW TO USE LESS COMMAND TO SEARCH IN LINUX
The command is as follows:-
Command :-less test1.txt
The putput of the above command:-
Now you can go down by pressing ENTER key multiple times till you reach the end of the file.
You can press q to exit the search and return to the command prompt.
LINUX - HOW TO USE / COMMAND TO SEARCH IN A FILE
The command is as follows:-
Command : The process is to edit the file using vi,vim or nano. In my case I am using VIM and will search the word NET in the fille test1.txt
I have performed a search for the word NET in the file test1.txt.
As we can see the word NET appears 4 times in the file.
