free -t Command free -t displays sum of RAM and swap memories for total, used and free memory. Syntax: free -t Look…
chmod
-
-
Listing process in hierarchy In normal ps command we have to look manually on PID and PPID number to know the relation…
-
Linux File rename -n ‘n’ option will show you the changes in your files made by your command. Although, those changes will…
-
Ubuntu Change Username Linux operating system is able of managing multiple users at once. So, we should use check and balance on…
-
Disable displaying hostname Hostname is displayed in third column in the last command. It displays IP address if user is connected through…
-
Linux Directories mkdir -m=MODE With the help of this command, you can access the permission on the directory you are creating. Access…
-
Linux File Convert into lower case or upper case You can convert all files with lower case into upper case and vice…
-
Display full login and logout time To display full login and logout information including date and time, option F is used. Syntax:…
-
Linux Directories mkdir -p With the help of mkdir -p command you can create sub-directories of a directory. It will create parent…
-
Linux File rename -v (verbose) rename command will execute the changes made in files and when used with ‘n’ option will only…