Unix Quiz | Unix Question and Answer for Practice

31. The expression expr -2 % 7 evaluates to

1. 2
2. -2
3. 0.285

32. The expression expr -7 % 2evaluates to

1. 1
2. -1
3. -3.5

33. The father of all processes is

1. Root
2. Sh
3. Sched
4. Init

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

1. rm-i file
2. rm-I file
3. rm-r-file
4. rm-f-file

35. The incoming mail of user with the login name aa12 is stored in the file

1. /usr/spool/mail/aa12
2. /usr/aa12/mbox
3. /spool/mail/aa12
4. /usr/aa12/.mbox

36. The message of the day is stored in a file called

1. /etc/profile
2. /etc/motv
3. .profile
4. Autoexec.bat

37. The minimum number of links for any directory file are

1. 3
2. 4
3. 1
4. 2

38. The output of command banner Unix shell programming would be

1. A banner showing unix,shell and programming words displayed in separate lines
2. A banner showing unix shell in one single line
3. Nothing
4. A banner showing unix shell programming in one line.

39. The permission 746 can be represented as

1. rwxrwx- -x
2. rw- -w-r-x
3. rwxr-xr-x
4. rwxr- -rw–

40. The process id numbers of the processes vhand,bdflush,sched and init are

1. 1,2,3 and 4
2. 2,3,0 and 1
3. 3,4,1 and 2
4. 0,1,2 and 3

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

1. Disk Bootstrap program
2. Master boot program
3. Shell program
4. None of the above

42. The second set of the three permissions (r-) indicates that

1. group has read permission only
2. other has read permission only
3. owner has read permission only
4. group has write permission only

43. The shell metacharacter $# represents

1. Total number of arguments supplied to the shell script
2. Total number of files in the current directory
3. Total number of users who have logged in
4. Total number of processes running in the background

44. The size of any block in the unix file system is

1. 512 bytes
2. 1024 bytes
3. 2048 bytes
4. Any of the above

45. The state of the file system is contained in

1. Boot block
2. A special block created by Book Block
3. Super Block
4. None of the above