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
Correct Answer :
D. A, B, C, and D
All given commands are used to create files in the Linux Operating System.
Related Questions
Which command is used to know information about a password?
change
knowpass
passinf
info
Which Linux command is used to know, how long a computer has been running?
startup
uptime
startuptime
time
Which of the following option is used for a basic regular expression in the grep command?
-B
-G
-P
-E
Which of the following command is used to copy a line in the vi editor?
CC
cc
YY
yy
There are the following statements that are given below which of them are correct about cut command?
a) The cut command is used to select a specific column of a file.
b) We can use a delimiter in the cut command to separate the columns of a file.
c) We cannot use a delimiter in the cut command.
d) The cut command is used to move files from one location to another location.
Options:
Only A
Only B
A and B
A and C
Which exact command is used to change the only modification time of a file in the Linux operating system?
touch -m
touch -k
touch -p
touch l
There are the following commands that are given, which of them are correct about the nohup command in the Linux system?
a) The nohup stands for No Hang-up.
b) The nohup stands for Notify Hang-up.
c) The nohup command is used to keeps the processes running, even the terminal gets close by the user.
d) This command is used to prevent the processes from the SIGHUP signals.
Options:
A and C
B and C
B, C, and D
A, C, and D
Which of the following command is used to start typing at the end of the current line in the vi editor?
A
a
o
O
The scope of an environment variable can be?
Local
Global
Both
None
Which command is used to compress a file?
zip
gzip
ezip
mzip
Which of the following command is used to paste before the current line in the vi editor?
y
Y
p
P
Which command is used to read data from the standard input device and write to the standard output and one or more files?
tea
tei
tie
tee
Which of the following command is used to print the 3rd column of a specified file?
awk '{print $3}
awk '{print $2}
awk '{print $N2}
awk '{print $N3}
Which exact command is used to remove a directory with its sub-directories?
rmdir -a
rmdir -p
rmdir -s
rmdir -k
What are the correct types of file systems used in the Linux operating system?
a) Ext3
b) Ext4
c) JFS
d) XFS
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which of the following command is used to delete current line from the file?
dd
r
x
X
Which of the following command is used to forward search for given string in the vi editor?
?string
/string
string
#string
Which command is used to enable/disable password for a particular user?
usermod
userenable
userdisable
change
Which of the following are the types of file owners in the Linux Operating System?
a) User
b) Group
c) Other
d) None of the above
Options:
A and B
C and D
A, B, and C
D
By default, how many last lines shown by tail command?
5
8
10
12
Which of the following command uses regular expressions in the Linux operating system?
a) grep
b) sed
c) rename
d) bash
Options:
A and B
C and D
A, B, and C
A, B, C, and D
Which of the following environment variables contains the path of the user's unique id?
UID
USERID
USRID
ID
Which of the following commands are used to download files from a specified URL?
a) curl
b) wget
c) filedownload
d) All of the above
Options:
A and B
A and C
B and C
D
Which of the following command is used to delete scheduled tasks?
atrm
atdl
atdel
rmtask
How to print lines of a given text file from line number 2 to 4 using AWK?
awk 'NR==2, NR==4 {print NR,$0}'
awk 'NR==2 to NR==4 {print NR,$0}'
awk 'NR==2-4 {print NR,$0}'
awk 'NR==2,4 {print NR,$0}'
Which of the following character is used for execute permissions in the Linux operating system?
e
x
E
None
There are the following statements that are given below, which of them are correct about Regular expressions in the Linux operating system?
a) The regular expressions are strings that are used for pattern matching in some Linux commands.
b) The regular expressions are also known as a regex.
c) The regular expressions use some characters that each has a different meaning.
d) Regular expressions can only be used in the Linux commands.
Options:
A and B
C and D
A, B, and C
A, B, C, and D
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 Linux command is used to set values in environment variables?
setval
setenv
export
env
Which of the following command is used to move one word forward in the vi editor?
b
ww
w
yw