Basic of linux unix

A. cd
B. od
C. of
D. oct

A. S
B. s
C. r
D. C

A. rename
B. delete
C. rm
D. cp

A. lp
B. pg
C. prn
D. print

A. is Network Information Service
B. is a simple directory service whose main purpose is to allow remote authentication of systems on local network systems
C. was formerly known as yellow pages
D. allows configuration-such as password and group files

A. /etc/ftpusers
B. /etc/hosts.deny
C. /etc/ftpaccess
D. All of the above

A. network layer
B. transport layer
C. physical layer
D. physical layer

A. w
B. e
C. a
D. b

A. countw
B. wcount
C. wc
D. count p

A. capture a file
B. display a file
C. print a file
D. copy a file