Unix - Engineering

Q1:

Which command is used to remove the read permission of the file 'note' from both the group and others?

A chmod go+r note

B chmod go+rw note

C chmod go-x note

D chmod go-r note

E None of the above

ANS:D - chmod go-r note

"go" represents Group and others. The command -r means do not allow the read permission. +r command, it means having permission to read.