Question 1

Which of the following is not a unix command

Accepted Answer

A)  cd
B)  rm
C)  pwd
D)  del D

Question 2

The size of any block in the unix file system is

Accepted Answer

A)  512 bytes
B)  1024 bytes
C)  2048 bytes
D)  any of the above D

Question 3

Shell Program is stored in a file called

Accepted Answer

A)  unix
B)  sh
C)  dd
D)  cc B

Question 4

After typing the contents of file test created by you by giving the command cat>test you save the contents by

Accepted Answer

A)  pressing the keys ctrl-c
B)  typing save and pressing enter
C)  pressing esc key
D)  pressing ctrl-d

Question 5

Binary executable required for system administration is usually placed in ________ directory.

Accepted Answer

A)  letc
B)  lusr
C)  ldev
D)  none

Question 6

Unix is a

Accepted Answer

A)  single user, single tasking os
B)  single user, multi-tasking os
C)  multi-user, multi- tasking os
D)  none

Question 7

If there are three links for a file then the number of copies of the file would be

Accepted Answer

A)  one
B)  two
C)  three
D)  four

Question 8

Which file gets executed when we use the passwd command

Accepted Answer

A)  /etc/passwd
B)  /etc/pwd
C)  /bin/passwd
D)  /passwd

Question 9

The state of the file system is contained in

Accepted Answer

A)  boot block
B)  a special block created by book block
C)  super block
D)  none of the above

Question 10

The program contained in boot block, that loads kernel into memory is called

Accepted Answer

A)  disk bootstrap program
B)  master boot program
C)  shell program
D)  none of the above

Question 11

The command pwd gives

Accepted Answer

A)  present working directory
B)  password in encrypted form
C)  password in decrypted form
D)  none

Question 12

To find the block size on your file system the command is

Accepted Answer

A)  blksz
B)  szblk
C)  chksz
D)  cmchk

Question 13

Each entry in inode table is of size

Accepted Answer

A)  64 kb
B)  32kb
C)  32 bytes
D)  64 bytes

Question 14

The file for which we do not have write permission can be deleted using the command

Accepted Answer

A)  rm-i file
B)  rm-i file.
C)  rm-r-file.
D)  rm-f-file

Question 15

All user directories are usually placed in _________ directory.

Accepted Answer

A)  letc
B)  lusr
C)  ldev
D)  none

Question 16

Unix OS was first developed by

Accepted Answer

A)  dennis ritchie
B)  bjarne stroustrup
C)  ken thompson
D)  brian kernighan

Question 17

Unix Command can be typed in

Accepted Answer

A)  lower case
B)  upper case
C)  both the cases
D)  none

Question 18

A Sticky bit applies to a file would mean that

Accepted Answer

A)  no one can remove it
B)  it would stick around in memory even when its execution is over
C)  next time you login it would get executed on its own
D)  none of the above

Question 19

Unix OS was first developed at

Accepted Answer

A)  microsoft corp. usa
B)  at & t bell labs, usa
C)  ibm, usa
D)  borland international, usa

Question 20

Unix is written in

Accepted Answer

A)  c language
B)  ada language
C)  perl language
D)  pascal language

Exam 1: Introduction to Unix Operating System and Shell Programming