Linux OS Management Interview Questions And Answers

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Strengthen your Linux Operating System Management interview skills with our collection of 99 important questions. These questions will test your expertise and readiness for any Linux Operating System Management interview scenario. Ideal for candidates of all levels, this collection is a must-have for your study plan. Secure the free PDF to access all 99 questions and guarantee your preparation for your Linux Operating System Management interview. This guide is crucial for enhancing your readiness and self-assurance.

99 Linux Operating System Management Questions and Answers:

Linux Operating System Management Job Interview Questions Table of Contents:

Linux Operating System Management Job Interview Questions and Answers

1 :: Which of the following time stamps need not exist for a file on traditional unix file system:
a) Access Time
b) Modification Time
c) Creation Time
d) Change Time

c) Creation Time

2 :: Which command is used to set limits on file size:
a) fsize
b) flimit
c) ulimit
d) usize

c) ulimit

3 :: Which option of rmdir command will remove all directories a, b, c if path is a/b/c:
a) -b
b) -o
c) -p
d) -t

c) -p

4 :: Which represents the user home directory:
a) /
b) .
c) ..
d) ~

d) ~

5 :: If a file is removed in Unix using 'rm' then:
a) The file can be recovered by a normal user
b) The file cannot be recovered by a user
c) The file can be fully recovered provided the sytem is not rebooted
d) The file will be moved to /lost+found directory and can be recovered only by administrator's intervention

b) The file cannot be recovered by a user

6 :: What command is used to copy files and directories?
a) copy
b) cp
c) rn
d) cpy

b) cp

7 :: Any file's attribute information is stored in which structure on the disk:
a) Inode
b) Data blocks
c) File blocks
d) Directory file

a) Inode

8 :: Executing the 'cd ..' command when at the root level causes:
a) Error message indicating the user can't access beyond the root level
b) Behavior is unix-flavor dependent
c) Results in changing to the 'home' directory
d) Nothing happens

d) Nothing happens

9 :: How do you rename file "new" to file "old"?
a) mv new old
b) move new old
c) cp new old
d) rn new old

a) mv new old

10 :: What UNIX command is used to update the modification time of a file?
a) time
b) modify
c) cat
d) touch

d) touch

11 :: When mv f1 f2 is executed which file's inode is freed?
a) f1
b) f2
c) new inode will be used
d) implementation dependent

b) f2

12 :: Where can I find the printer in the file structure?
a) /etc
b) /dev
c) /lib
d) /printer

b) /dev

13 :: Which of the following statement is true?
a) The cp command will preserve the meta data of the file
b) The sort command by default sorts in the numeric order
c) The mv command will preserve the meta data of the file
d) The command ps will display the filesystem usage

c) The mv command will preserve the meta data of the file

14 :: Creation of hardlinks that point across partitions:
a) is allowed only to root user
b) Can be done by all users
c) The effects are unspecified
d) is not allowed

d) is not allowed

15 :: Which command is used to change permissions of files and directories?
a) mv
b) chgrp
c) chmod
d) set

c) chmod

16 :: If two files on same partition point to the same inode structure they are called:
a) Soft links
b) Hard links
c) Alias
d) Special files

b) Hard links

17 :: Deleting a soft-link:
a) Deletes the destination file
b) Deletes both the softlink and the destination file
c) Deletes just the softlink
d) backup of the destination is automatically created

c) Deletes just the softlink

18 :: A user creates a link to a file file1 using the following command "ln file1 file2". Which of the following is not true?
a) file1 and file2 have the same inode numbers
b) The number of links for file1 is displayed as 1
c) The number of links for file1 is displayed as 2
d) The number of links for file2 is displayed as 2

b) The number of links for file1 is displayed as 1

19 :: How many links are created when we create a directory file?
a) 1
b) 2
c) 3
d) 4

b) 2

20 :: Which among the following allows fast file system recovery?
a) Ext2
b) Journaling
c) Caching
d) Sysfs

b) Journaling

21 :: There are two hard links to the "file1″ say hl and h2 and a softlink sl. What happens if we deleted the "file1″?
a) We will still be able to access the file with hl and h2 but not with sl
b) We will not be able to access the file with hl and h2 but with sl
c) We will be able to access the file with any of hl, h2 and sl
d) We will not be able to access the file with any of hl, h2 and sl

a) We will still be able to access the file with hl and h2 but not with sl

22 :: By default if any regular file is created, the number of link is displayed as 1?
a) True
b) False

a) True

23 :: Which command is used to check filesystem usage in a system?
a) mount
b) df
c) du
d) dd

b) df

24 :: Filesystem for CDROM is:
a) Ext2
b) Ext3
c) Isofs
d) Procfs

c) Isofs

25 :: Which command is used to mount file system read only?
a) mount -a
b) mount -v
c) mount -f
d) mount -r

d) mount -r

Linux OS Management Interview Questions And Answers

Download Linux Operating System Management Interview Questions and Answers PDF

99 Linux Operating System Management Questions and Answers:

Linux Operating System Management Job Interview Questions Table of Contents:

1 :: Which of the following time stamps need not exist for a file on traditional unix file system: a) Access Time b) Modification Time c) Creation Time d) Change Time

2 :: Which command is used to set limits on file size: a) fsize b) flimit c) ulimit d) usize

3 :: Which option of rmdir command will remove all directories a, b, c if path is a/b/c: a) -b b) -o c) -p d) -t

4 :: Which represents the user home directory: a) / b) . c) .. d) ~

6 :: What command is used to copy files and directories? a) copy b) cp c) rn d) cpy

7 :: Any file's attribute information is stored in which structure on the disk: a) Inode b) Data blocks c) File blocks d) Directory file

8 :: Executing the 'cd ..' command when at the root level causes: a) Error message indicating the user can't access beyond the root level b) Behavior is unix-flavor dependent c) Results in changing to the 'home' directory d) Nothing happens

9 :: How do you rename file "new" to file "old"? a) mv new old b) move new old c) cp new old d) rn new old

10 :: What UNIX command is used to update the modification time of a file? a) time b) modify c) cat d) touch

11 :: When mv f1 f2 is executed which file's inode is freed? a) f1 b) f2 c) new inode will be used d) implementation dependent

12 :: Where can I find the printer in the file structure? a) /etc b) /dev c) /lib d) /printer

13 :: Which of the following statement is true? a) The cp command will preserve the meta data of the file b) The sort command by default sorts in the numeric order c) The mv command will preserve the meta data of the file d) The command ps will display the filesystem usage

14 :: Creation of hardlinks that point across partitions: a) is allowed only to root user b) Can be done by all users c) The effects are unspecified d) is not allowed

15 :: Which command is used to change permissions of files and directories? a) mv b) chgrp c) chmod d) set

16 :: If two files on same partition point to the same inode structure they are called: a) Soft links b) Hard links c) Alias d) Special files

17 :: Deleting a soft-link: a) Deletes the destination file b) Deletes both the softlink and the destination file c) Deletes just the softlink d) backup of the destination is automatically created

19 :: How many links are created when we create a directory file? a) 1 b) 2 c) 3 d) 4

20 :: Which among the following allows fast file system recovery? a) Ext2 b) Journaling c) Caching d) Sysfs

22 :: By default if any regular file is created, the number of link is displayed as 1? a) True b) False

23 :: Which command is used to check filesystem usage in a system? a) mount b) df c) du d) dd

24 :: Filesystem for CDROM is: a) Ext2 b) Ext3 c) Isofs d) Procfs

25 :: Which command is used to mount file system read only? a) mount -a b) mount -v c) mount -f d) mount -r