Category: Basic of linux unix

A. cat
B. vi
C. ed
D. lyrix

A. TELNET
B. TFTP
C. FTP
D. RARP

A. sort – r
B. st
C. sh
D. sort

A. > symbols
B. >> symbols
C. < symbols
D. << symbols

A. mail
B. mesg
C. write
D. grep

A. chmod ugo+r letter
B. chmod ugo+rw letter
C. chmod u+x letter
D. chmod ugo+x letter

A. kill 1
B. kill 0
C. cancel all
D. cancel 1

A. root
B. kara
C. group
D. user

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. executable permission only
B. write and executable permissions
C. both read and executable permissions.
D. both read and write permissions