Unix Questions and Answers | Online Quiz for Practice

46. To ascertain what are the contents of the file in your the system the best way would be

1. Use the command file*
2. None of the above
3. Do a cat command on each file and find its contents
4. Use the command cat*

47. To change the access time of a file to 12:40 PM on 26th Jan 1997 the command would be

1. Touch –a 0126124097 file
2. Touch –a 9701261240 file
3. Touch –a 2601971240 file
4. Touch –a 1240260197 file

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

1. Chksz
2. Cmchk
3. Blksz
4. Szblk

49. To read the stale news the option available is

1. Delete the file _news.time
2. Delete the file .news_time
3. news –a
4. Delete the file /usr/news

50. To see the last access time of various files in a file system the command is

1. Is-acc
2. Is-mt
3. Is-Iu
4. Is-I

51. To the statement read v1 v2 v3 we can supply

1. exactly 3 values
2. any number of values
3. maximum 3 values
4. only 1 value

52. Unix Command can be typed in

1. Both the cases
2. None
3. Lower case
4. Upper case

53. Unix is a

1. Multi-User, Multi- tasking OS
2. None
3. Single User, Single tasking OS
4. Single User, Multi-tasking OS

54. Unix is written in

1. Perl language
2. Pascal language
3. C language
4. Ada language

55. When we are executing a shell script the shell acts as

1. An operating system
2. None of the above
3. An interpreter
4. A compiler

56. Which command is used to display and create files?

1. ed
2. lyrix
3. cat
4. vi

57. Which command is used to extract a specific columns from the file

1. Grep
2. Paste
3. Cat
4. Cut

58. Which command is used to make all files and sub-directories in the directory (progs) executable by all users?

1. chmod -1 a+xprogs
2. chmod -x a+xprogs
3. chmod -R a+xprogs
4. chmod -R 222 progs

59. Which command is used to remove a directory

1. Dldir
2. Rdir
3. Rd
4. Rmdir

60. Which command is used to terminate a process

1. Cancel
2. Kill
3. Shutdown
4. Haltsys