cat command examples:
show the contents of /etc/passwd while searching for the user 'rob'
[root@server ~]# cat /etc/passwd|grep rob rob:x:500:500::/home/rob:/bin/bash
cat file | grep pattern.
grep rob /etc/passwd
ag rob /etc/passwd
I'm a beginner, where do I learn linux commands for beginners?
The cat command will allow you to see an entire file in your terminal quickly. This is more useful for smaller files unless you're grepping for certain things.