Unix Operating System Set 1
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This set of Unix Operating System Multiple Choice Questions & Answers (MCQs) focuses on Unix Operating System Set 1
Q1 | Unix OS was first developed by
- dennis ritchie
- bjarne stroustrup
- ken thompson
- brian kernighan
Q2 | Unix OS was first developed at
- microsoft corp. usa
- at & t bell labs, usa
- ibm, usa
- borland international, usa
Q3 | Unix is written in
- c language
- ada language
- perl language
- pascal language
Q4 | Unix is a
- single user, single tasking os
- single user, multi-tasking os
- multi-user, multi- tasking os
- none
Q5 | Which of the following is a command for searching a pattern in a file?
- find
- b. group
- c.look up.
- none
Q6 | Unix Command can be typed in
- lower case
- upper case
- both the cases
- none
Q7 | Shell Program is stored in a file called
- unix
- sh
- dd
- cc
Q8 | WhicBh shell offers a command history feature
- c shell
- visual shell
- bourne shell
- korn shell
Q9 | The minimum number of links for any directory file are
- 3
- 4
- 1
- 2
Q10 | The default value of Umask is
- 1024
- 4021
- 0022
- 1001
Q11 | Binary executable required for system administration is usually placed in ________ directory.
- letc
- lusr
- ldev
- none
Q12 | All user directories are usually placed in _________ directory.
- letc
- lusr
- ldev
- none
Q13 | If there are three links for a file then the number of copies of the file would be
- one
- two
- three
- four
Q14 | After typing the contents of file test created by you by giving the command cat>test you save the contents by
- pressing the keys ctrl-c
- typing save and pressing enter
- pressing esc key
- pressing ctrl-d
Q15 | The file for which we do not have write permission can be deleted using the command
- rm-i file
- rm-i file
- rm-r-file
- rm-f-file
Q16 | The permission 746 can be represented as
- rwxrwx- -x
- rw- -w-r-x
- rwxr-xr-x
- rwxr- -rw–
Q17 | A Sticky bit applies to a file would mean that
- no one can remove it
- it would stick around in memory even when its execution is over
- next time you login it would get executed on its own
- none of the above
Q18 | The command pwd gives
- present working directory
- password in encrypted form
- password in decrypted form
- none
Q19 | Which of the following is not a unix command
- cd
- rm
- pwd
- del
Q20 | The size of any block in the unix file system is
- 512 bytes
- 1024 bytes
- 2048 bytes
- any of the above
Q21 | To find the block size on your file system the command is
- blksz
- szblk
- chksz
- cmchk
Q22 | Each entry in inode table is of size
- 64 kb
- 32kb
- 32 bytes
- 64 bytes
Q23 | The program contained in boot block, that loads kernel into memory is called
- disk bootstrap program
- master boot program
- shell program
- none of the above
Q24 | The state of the file system is contained in
- boot block
- a special block created by book block
- super block
- none of the above
Q25 | Which file gets executed when we use the passwd command
- /etc/passwd
- /etc/pwd
- /bin/passwd
- /passwd