Explore topic-wise MCQs in Unix.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Unix knowledge and support exam preparation. Choose a topic below to get started.

1.

When touch command is used without any options or expression, both times are set to current time and the file is created if it doesn’t exist.

A. True
B. False
Answer» B. False
2.

If we want to link files across the file systems, we have to use only soft links.

A. True
B. False
Answer» B. False
3.

A hard-linked file is assigned the same inode number as the original value.

A. True
B. False
Answer» B. False
4.

Which option is used with ln command to create a soft link?

A. -a
B. -l
C. -s
D. -e
Answer» D. -e
5.

WHICH_OPTION_IS_USED_WITH_LN_COMMAND_TO_CREATE_A_SOFT_LINK??$

A. -a
B. -l
C. -s
D. -e
Answer» D. -e
6.

If we want to link files across the file systems, we have to use only soft links.$

A. True
B. False
Answer» B. False
7.

A_hard-linked_file_is_assigned_the_same_inode_number_as_the_original_value.$

A. True
B. False
Answer» B. False
8.

When touch command is used without any option but with an expression, which of the following timestamps are changed?

A. modification time
B. last access time
C. last inode modification
D. modification time and last access time
Answer» E.
9.

-a option is used with touch command to alter the time of last access.

A. True
B. False
Answer» B. False
10.

Which option is used with touch command to change the time of last file modification?

A. -a
B. -m
C. -r
D. -i
Answer» C. -r
11.

When touch command is used without any options or expression, both times are set to current time and the file is created if it doesn’t exist.$

A. True
B. False
Answer» B. False
12.

Which command is used to change timestamps associated with a file?

A. touch
B. time
C. umask
D. ls
Answer» B. time
13.

We can change the default permission set for files and directories using ______

A. umask
B. um
C. perm
D. touch
Answer» B. um
14.

The default permissions for a regular file are ____ and for directories are ____

A. 777, 666
B. 666, 777
C. 000, 000
D. 777, 777
Answer» C. 000, 000
15.

Which command is used to link a file with multiple filenames?

A. ln
B. link
C. hl
D. sl
Answer» B. link
16.

When we can access a file with multiple filenames, it is said that the file has multiple _____

A. names
B. inode number
C. links
D. uid
Answer» D. uid
17.

Two files can have a same inode number in the same file system.

A. True
B. False
Answer» C.
18.

Which option is used with ls command for knowing the inode number of the file?

A. -l
B. -i
C. -a
D. -o
Answer» C. -a
19.

Which of the following is not stored in inode?

A. file name
B. inode number
C. file size
D. file name and inode number
Answer» E.
20.

Which of the following is not a content of inode?

A. file type
B. file permission
C. file size and links
D. file name
Answer» E.
21.

Every file is associated with a table which contains all possible information about a file, that table is called as _________

A. info table
B. file table
C. inode
D. ps table
Answer» D. ps table
22.

Every file system has a directory structure headed by ____

A. parent
B. child
C. root
D. kernel
Answer» D. kernel