T or F

1. Wild-card pattern *.[!s][!h] matches all filenames an extension of .sh.

2.

Single quotes protect all special characters (except the single quote and \) but double quotes enable the $ and ` to be interpreted as the variable evaluation and command substitution characters.

3.

For the comm command to work properly, the files being compared need to be sorted.

Multiple choice

1. The command who | cut -d " " -f 1 | sort will:

a		Display only the usernames of currently logged in users in a sorted order.
b		Display the complete output of command who in a sorted fashion.
c		Display the usernames of currently logged in users without sorting.