Problem
1. How will you use pr, sort, and cut to read a file backwards?
2. How do you extract the names of the users from /etc/passwd after ignoring the first 10 entries?
3. How do you display a list of all processes without the ps header line where processes with the same name are grouped together?
4. Frame an alias that invokes vi with the last modified file in the current directory.
5. How do you set the length of a line in shortlist to a variable?