Question

Which of the following function cannot be performed by mailx command?

(a) sending and receiving emails

(b) reply to the sender

(c) forward, delete and print mails

(d) un-send mails

I have been asked this question in an interview for internship.

This question is from General Purpose Commands in division The Unix Architecture & General Purpose Utilities of Unix

Answer 1

Right choice is (d) un-send mails

For explanation I would say: mailx command can perform various functions apart from sending and receiving emails such as replying to the sender and all recipients, forward it to others, save it to a different folder, delete it, print it. To view received emails, simply type mailx command and hit enter.