This example using the set noclobber command prevents existing files from being overwritten. 9:18am homer /home/homer/Documents ) set noclobber 9:18am homer /home/homer/Documents ) ls ip.txt ip.txt 9:18am homer /home/homer/Documents ) echo “hello” > ip.txt ip.txt: File exists. But you can still erase the file with the rm command. 9:20am homer /home/homer/Documents ) rm ip.txt 11:27pm …

Are you wanting to create an alias and you want to see how they are done? Well a Linux distribution should come with some aliases that are already created for you and you can type the alias ls command to see how one is created. [email protected]:~$ alias ls alias ls=’ls –color=auto’ A good one to …