1. Which file contains the commands that the system executes when a user logs in? Answers: • $HOME/startup • user/init • $HOME/.profile • etc/startup 2. The executable file name for the Bourne shell is : Answers: • bsh • sh • csh • ksh • lsh 3. By which command a user can add a password for his login name? Answers: • passwd • pass • chpass • password • setpass 4. Which of the following is the only filter? Answers: • echo • wc • mv • rm 5. Consider the following file listing of file abc1 for a user abc -rw——- 1 abc student 10 jan 10:39 abc1 What inference would you make regarding the file access permissions ? Answers: • The group have full permissions. • Only the owner has full permissions. • Only the owner has read and write but no execute permissions. • The group has read and write permissions. • Others have read and write permissions. 6. Wh...