Operating System (3140702) MCQs

MCQs of Unix/Linux Operating System

Showing 71 to 80 out of 115 Questions
71.
What is group ownership?
(a) Group of users who can access the file
(b) Group of users who can create the file
(c) Group of users who can edit the file
(d) Group of users who can delete the file
Answer:

Option (a)

72.
Which of the following is the default permission set for ordinary files?
(a) rw-rw-rw-
(b) rwxrwxrwx
(c) r–r–r–
(d) rw-rw-rwx
Answer:

Option (a)

73.
Which command is used to change the permissions of a file?
(a) chmod
(b) ch
(c) chown
(d) chgrp
Answer:

Option (a)

74.
A file named file01 should be readable. writable and executable only by the user(owner). Which one of the following set of command will be used?
(a) chmod 700 file01
(b) chmod 000 file01
(c) chmod 477 file01
(d) chmod 777 file01
Answer:

Option (a)

75.
Which command is used to change the group owner of the file?
(a) chown
(b) ch
(c) chgrp
(d) chmod
Answer:

Option (c)

76.
Which editor is used by the UNIX system to edit files?
(a) vi
(b) notepad
(c) word
(d) notepad++
Answer:

Option (a)

77.
Shell provides us with an interface to the operating system.
(a) TRUE
(b) FALSE
Answer:

Option (a)

78.
On a UNIX system. there can be ____ shells running simultaneously.
(a) 1
(b) 2
(c) many
(d) 4
Answer:

Option (c)

79.
There can be multiple kernels on a single UNIX system.
(a) TRUE
(b) FALSE
Answer:

Option (b)

80.
The prompt issued by the shell is called ______
(a) Prompt
(b) Command translator
(c) Command prompt
(d) Command executor
Answer:

Option (c)

Showing 71 to 80 out of 115 Questions