Basic of linux unix

A. group has read permission only
B. other has read permission only
C. owner has read permission only
D. group has write permission only

A. ls -1
B. ls -t
C. ls -i
D. ls -R

A. $!
B. $#
C. 0
D. $*

A. remove
B. rm
C. mv
D. del

A. ^pat
B. $pat
C. pat$
D. pat^

A. chmod go+r note
B. chmod go+rw note
C. chmod go-x note
D. chmod go-r note

A. nfsmount
B. knfsd
C. mount
D. All of the above

A. $
B. 3 dw
C. 3 x
D. 3 dd

A. Linus Torvalds
B. Richard Stallman
C. Bob Young
D. All of the above

A. 16-bit addresses
B. 32-bit addresses
C. 64-bit addresses
D. 8-bit addresses