DOEACC Society 2007 DOEACC A Level A8-R3 Basic of OS, Unix

A) device special file, directory file
B) device special file, ordinary file
C) directory file, device special file
D) None of the above
1.10 On logging in as super user, the current directory becomes
A) /
B) The current directory does not change
C) /root
D) None of the above
A8-R3 Page two of six January, 2007
2. every statement beneath is either actual or FALSE. select the most improper one
and ENTER in the “tear-off” sheet attached to the ques. paper, subsequent
instructions therein. (1 x 10)
2.1 Multitasking implies multi-user.
2.2 Command rm file will always delete the file from the system.
2.3 More than 1 file can be edited in identical vi session.
2.4 ping is used to test network connectivity.
2.5 Tagged regular expression can be used in egrep.
2.6 let is built-in function of Korn shell and Bash shell.
2.7 System call is stand alone program.
2.8 More than 1 file system may reside in 1 disk.
2.9 zip can compress group of files into archive.
2.10 /etc/inittab is begin up file of init.
3. Match words and phrases in column X with the nearest related meaning/
word(s)/phrase(s) in column Y. Enter your selection in the “tear-off” ans sheet
attached to the ques. paper, subsequent instructions therein. (1 x 10)
X Y
3.1 Commands issued to kernel A. Daemon
3.2 Execute permission for directory B. umask
3.3 Repeating the last command in vi C. xclipboard
3.4 Not associated with any user but does system wide
function and is flexible
D. init 2
3.5 Component of X-windows E. fdisk
3.6 Integer manipulation and string manipulation F. Super block
3.7 Stand-alone program G. init 0
3.8 State of file-system H. fsck
3.9 Integrity of file-system I. widget
3.10 To shut down the system J. File table
K. System call
L. Files in directory can be
accessed
M. sh
N. Files in directory can be
executed
O. chmod
P. u
Q. . (dot)
R. Kernel
S. Unix command
T. expr
U. bc
A8-R3 Page three of six January, 2007
4. every statement beneath has a blank space to fit 1 of the word(s) or phrase(s) in
the list beneath. Enter your option in the “tear-off” ans sheet attached to the
ques. paper, subsequent instructions therein. (1 x 10)
A. SUID B. SGID C. x D. df
E. internal F. library function G. external H. bit-mapped
I. $0 J. $# K. one L. directory

Earning:   Approval pending.