Hello Everyone, This is a basic Linux Command Line Tutorial. In this first tutorial, I have given the description of the following commands. 1) ls: To list the files and directories in current working directory. 2) ls -a: To list the files and directories and as well as hidden files and directories in the current working directory. 3) pwd: To know the current working directory you have to give the command pwd. 4) cd: To change the directory you have to use the cd command 5) cat: cat is used to know the contents of the file. #linuxcommands #Ubuntucommands #linuxterminal #linuxuser #linuxadmin