Which of the following type of permissions are used for files and directories in the Linux Operating System?
a) Read
b) Write
c) Execute
d) All of the above
Options:
A and B
B and C
A and C
D
Correct Answer :
D. D
There are read, write, and execute permission can be assigned to the files and directories.
Related Questions
There are the following statements that are given below, which of them are correct about touch command in Linux?
a) It is used to create empty files.
b) It is used to update the timestamp of the existing file.
c) It is used to write formatted data into the file.
d) It is used to view the content of the file.
Options:
A and B
B and C
A, B, and C
A, B, C, and D
Which option is used to know only system running time using the uptime command?
-p
-u
-l
-k
Which of the following command is used to forward search for given string in the vi editor?
?string
/string
string
#string
Which of the following command is used to swap two lines in the vi editor?
sl
SL
DDP
ddp
Which of the following command is used to extract text from binary or executable files in the Linux operating system?
strings
string
str
strbin
Which of the following configuration file is used by updatedb command?
/etc/db.conf
/etc/locatedb.conf
/etc/updatedb.conf
/etc/update.conf
Which exact command is used to change the size of MTU?
ifconfig
ifconfig mtu
ifconfig mtu
ifconfig
Suppose that a text file abc.txt that contains multiple lines, then how to print all complete lines with line numbers using AWK?
awk '{print NS,$1}' abc.txt
awk '{print NR,$0}' abc.txt
awk '{print NR,$1}' abc.txt
awk '{print NS,$1}' abc.txt
Which command is used to check the access and modification time of a file in Linux?
check
filetimes
state
file
Which of the following information can be displayed using the netstat command?
a) Information about programs related to open socket.
b) Information about routing tables.
c) Statistics about all ports
d) All of the above
Options:
A and B
B and C
A and C
D
There are the following statements that are given below which of them are correct about the tracepath command in the Linux operating system?
a) It is also used for network troubleshooting.
b) This command requires root privileges.
c) By default, it is installed in the Linux system
d) All of the above
Options:
A and B
B and C
A and C
D
In Linux File System, which symbol is used before filename in case of hidden files?
#
$
Dot (.)
@
Which of the following statements are the correct about XXXuniq command?
a) This command is used to delete unique data from a file permanently.
b) This command is used to display a sorted list in which every word will occur only once.
c) We can count the occurrence of a word using uniq command.
d) None of the above
Options:
A and B
A and C
B and C
B and D
Which of the following command is used to know about the swap memory of the system?
swapmem
free
sw
sp
Which of the following command is used to view the content of the compressed file?
cat
gzip
zcat
zipcat
Which exact command is used to display only matched data of two files?
comm -13
comm -23
comm -12
None of the above
Which of the following directories that contain the shared libraries in the Linux System?
/sbin
/lib
/bin
/opt
Which command is used to create multiple directories in a single command?
md
mkdir
makedir
mkdirs
Which Linux command is used to un-mount the external storage devices from the Linux file system?
unmount
umount
nmount
None of the above
There are the following statements that are given below which of them are correct about piping in the Linux operating system?
a) The piping the process which is used to redirect the output of one command to another command as an input.
b) We use the pipe (|) operator to perform piping.
c) The piping is not supported in Linux; it works only in the UNIX operating system.
d) None of the above
Options:
Only A
Only B
A and B
A and C
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'
What is the full form of AWK?
Active Working Kit
Active Well Kudos
Aho Weinberger Kernighan
Anderson Washington Kernighan
Which of the following command is used to quit with discarding changes from the vi editor?
:q
:Q
ZZ
:q!
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 used to view the content of file screen wise?
a) more
b) less
c) cat
d) tac
Options:
A and B
C and D
A and C
B and C
Which of the following statements are the correct about XXXsed command?
a) The sed command is used to display modified data on the console screen, actual data in the file remain the same.
b) The sed command is used to modify the data of a file permanently.
c) The regular expressions are used to display modified data of a file in the sed command.
d) The sed command does not use regular expressions.
Options:
A and C
A and D
B and C
B and D
Which command is used to view the specified lines from the start of a file?
start
head
beg
first
There are the following statements that are given below which of them are correct about the host command in the Linux operating system?
This command is used to display domain name for specified IP address.
This command is used to display an IP address for the specified domain name.
Both of the above
None of the above
There are the following options that are given below, which of them are not correct environment variables used in the Linux operating system?
USERID
ENV
EDITOR
USER
Which file contains encrypted user's passwords?
/etc/passwords
/etc/shadow
/etc/pwd
/etc/pwds