Which file contains encrypted user's passwords?
/etc/passwords
/etc/shadow
/etc/pwd
/etc/pwds
Correct Answer :
B. /etc/shadow
The /etc/shadow file contains encrypted user's passwords.
Related Questions
How can we view and add content in the kernel ARP table?
arpmod
arpalter
arptable
arp
Which exact command is used to show information about specified interface?
ip show
ip a show
ip b show
ip
Which symbol is used with the environment variable name?
#
@
&
$
Which of the following built-in variable is used that contains the name of the specified file in the AWK command?
NAME
FILENAME
FNAME
FN
Which of the following Linux command is used to print all environment variables?
printenv
env
envvars
envs
Which exact command is used to print lines of the file that are not matching to the specific word?
grep -v
grep -i
grep -k
grep -n
Which of the following command is used to move to the last line in the file?
G
K
Dot (.)
``
Which of the following command is used to add a key to the SSH agent?
agent
ssh-agent
add-key
ssh-add
Which of the following command is not used to extract a compressed file?
untar
tar
gunzip
bunzip2
Which command is used to execute a command based on the number assigned in the command history, here we denote command history number by N?
!N
#N
$N
!!N
Which of the following directories are known as data directories?
a) /srv
b) /media
c) /home
d) /opt
Options:
A and B
A, B, and C
B, C, and D
A, B, C, and D
Which of the following command is used to replace the specific word, for example we want to replace inclusion by exclusion?
echo inclusion | sed 's/in/ex'
echo inclusion | sed 's/ex/in'
echo inclusion | sed 'r/in/ex'
echo inclusion | sed 'R/in/ex'
Which exact command is used to remove a user from the group in the Linux system?
delgroup d
remusr d
gpasswd -d
rm d
Which of the following statements are the correct about XXXcomm command?
a) The comm command is used to compare the data of two files.
b) It displays three columns in the output by default.
c) It displays two columns in the output by default.
d) The comm command is used to communicate with the TCP socket.
Options:
A
B
A and B
C and D
Which exact command is used to find files whose permissions are 765 in the current directory?
find . -perm 765
find . -per 765
find . -p 765
find . -prm 765
Which of the following commands are external commands in the Linux operating system?
a) cat
b) file
c) help
d) man
Options:
A and B
C and D
A, B, and D
A, B, C, and D
Which of the following command is used to display the path of a command in the Linux File System?
pcmd
which
pathcmd
None of the above
Which exact command is used, when we want to add execute permission to all owners of the file?
chmod all x
chmod ax
chmod a+x
None of the above
Which of the following commands are used to create files in the Linux Operating System?
a) cat
b) echo
c) touch
d) printf
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which of the following command is used to quit with discarding changes from the vi editor?
:q
:Q
ZZ
:q!
Which run-level is used with the init command to reboot the system?
0
1
4
6
There are the following statements that are given below, which of them are correct system libraries in Linux operating system?
a) System libraries are a special program.
b) We can use kernel functionalities using system libraries.
c) System libraries are user programs.
d) System libraries used system calls.
Options:
A and B
B and C
A, B, and D
A, B, and C
Which of the following option is used in grep command to search specific words from a file by ignoring case?
-a
-i
-c
-ing
Which exact command is used to list the files and directories along with hidden files?
ls -l
ls -k
ls -a
ls -n
Which Linux command is used to access external storage devices like pen-drive into the Linux file system?
attach
access
mount
umount
Which of the following command is used to compress a directory?
gzip
dzip
tar
rat
Which command is used to see what permissions will be provided to the newly created file by default?
default
unmask
permissions
defperm
Which command is used to get the path of the current directory?
cdir
dir
pwd
pdir
Which of the following command is used to undo the last command in the vi editor?
uu
x
X
u
If we want to assign read and execute permission to the file then which number is used in the chmod command to assign permission?
5
6
7
3