Most Important Commands We Will Use :
cat t.tx - display the content of the t.txt file
more t.txt - Browse through the t.txt file
less t.tx - with Features more than more command
head t.tx - Output the beginning of the t.txt file
head -15 t.tx - Output the beginning of the t.txt file First 15 Lines
tail t.tx - Output the ending of the t.txt file
tail -15 t.tx - Output the ending of the t.txt file Last 15 Lines
tail -f t.tx - Output the ending of the t.txt file as it is being written to
nano - open and use Nano Editor