Which command is used to set the three permissions for all the three categories of users of a file ?

A. grep
B. tail
C. head
D. cat

A. more
B. cat
C. grep
D. tee

A. /etc/services
B. /etc/nsorder
C. /etc/nsswitch.conf
D. /etc/hosts

A. ls chap*
B. ls chap[124]
C. ls – x chap0[124]
D. ls chap0[124]

A. XFree86 Project, Inc.
B. RHAD Labs
C. GNOME Project
D. All of the above

A. 82 and 83
B. 92 and 93
C. 63 and 64
D. 82 and 85