Q 1 - What is PPID? A - Previous process identification B - Priority process identification C - Parent process identification D - Pre Parent identification Q 2 - How does a comment can begin in a shell script file. A - Beginning with # B - Beginning with $ C - Beginning with ! D - None of the above. Q 3 - Command used to update access and modification times of a file. A - finger B - touch C - tee D - vi Q 4 - Choose option to list files by modification time. A - ls –mt B - ls –t C - ls –a D - ls –l Q 5 - Which command can give disk usage summary? A - chkdsk B - fdisk C - du D - df Q 6 - Which of the following is called as here document? A - < B - << C - > D - >> Q 7 - Command to display in the format dd/mm/yy A - date '+%d/%m/%Y' B - date '+%d/%m/%y' C - date '+%m/%d/%y' D - date '+INDIA' Q 8 - Command used to change group owner of the file __ A - chgrp B - cgrp C - group D - newgroup Q 9 - On a typical UNIX installation kernel resides in the following directory? A - /home B - / OR /boot C - /image D - None of the above. Q 10 - Identify the invalid run level from the following. A - S B - 1 C - 0 D - 8