Which of the following keys is used to delete the character beneath the cursor ?
(A) x
(B) X
(C) dd
(D) D
The UNIX file system stores a data in physical blocks of_______________?
(A) 1024 bytes
(B) 2048 bytes
(C) 512 bytes
(D) 256 bytes
What file specifies the order in which to use specified name services ?
(A) /etc/services
(B) /etc/nsorder
(C) /etc/nsswitch.conf
(D) /etc/hosts
Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files ?
(A) -l
(B) -d
(C) -r
(D) -b
Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file ?
(A) ls -F -x
(B) ls -l
(C) ls ~ x
(D) Ip
The cp command uses___________________?
(A) standard input file
(B) standard output file
(C) both input and output file
(D) neither standard input nor standard output file