File Operations

Question 1

Native filesystems are ?

Answer 1

+ ext3
+ ext4
+ squashfs
+ btrfs

Question 2

Important files required to run the system are stored on ?

Answer 2

root or /

Question 3

A mount point is ?

Answer 3

A directory where the filesystem is to be grafted on.

Question 4

To mount a partition, use command ?

Answer 4

sudo mount dir1 dir2

Question 5

To unmount a partition, use command ?

Answer 5

sudo umount dirName

Question 6

To know static information about the filesystem ?

Answer 6

fstab

Question 7

To display all presently mounted filesystems ?

Answer 7

mount

Question 8

To display information about mounted filesystems, including the filesystem type, and usage statistics about currently used and available space.

Answer 8

df -Th

Question 9

NFS stands for ?

Answer 9

Network Filesystem

Question 10

NFS server is ?

Answer 10

A computer that has a filesystem sit on its disk and this computer makes that filesystem available to other computers on the network.

Question 11

NFS client is ?

Answer 11

A computer that accesses the filesystem on a NFS server.

Question 12

The /bin directory contains what ?

Answer 12

Executable binaries, essential commands used to boot the system and essential commands required by all the users such as cat, cp, ls, mv, ps and rm.

Question 13

The /sbin directory constains what ?

Answer 13

Essential binaries related to system administration such as fsck and ip.

Question 14

/proc filesystem is also called ?

Answer 14

pseudo-filesystem

Question 15

/dev filesystem contains ?

Answer 15

Device nodes - pseudo file used by most software and hardware devices except network devices.

Question 16

/var filesystem contains ?

Answer 16

Files that are expected to change in size and content as the system is running.
\+ System log files : /var/log
\+ Packages and database files: /var/lib
\+ Print queue : /var/spool
\+ Temporary files: /var/tmp

Question 17

/etc filesystem contains ?

Answer 17

System configuration files.

Question 18

/boot directory contains ?

Answer 18

Essential files needed to boot the system.

Question 19

/lib contains ?

Answer 19

Libraries for essential programs in /bin and /sbin.

Question 20

/usr contains ?

Answer 20

Multi-use applications, utilities and data, non essential programs and scripts.

Question 21

/tmp contains ?

Answer 21

Temporary files.

Question 22

diff is used to ?

Answer 22

Comparing files and directories.

Question 23

To compare 3 files at once, use ?

Answer 23

diff3

Question 24

A patch files does ?

Answer 24

Contains the changes required to update an older version of a file to a new one.

Question 25

To determine the real nature of a file in Linux, use command ?

Answer 25

file fileName

Question 26

To copy a file ?

Answer 26

cp source destination

Question 27

To recursively copy one directory tree to another (both remotely and locally) ?

Answer 27

rsync source destination

Question 28

Commands to perform compression in Linux ?

Answer 28

gzip, bzip2, xz, zip

Question 29

To compress all files in folder in Linux ?

Answer 29

gzip *

Question 30

To decompress a file named file.txt.gz in Linux ?

Answer 30

gunzip file.txt.gz or gzip -d file.txt.gz

Question 31

To examine and decompress archives from other operating system ?

Answer 31

zip

Question 32

What is archive in Linux ?

Answer 32

The process of combining multiple files and directories from same or different sizes into one file.

Archiving is usually used as part of a system backup or when moving data from one system to another.

Question 33

To create or extract files from an archive file ?

Answer 33

tar