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4

Which of the following command is used to update the database used by the locate command?

A. updatelocate

B. updatelocatedb

C. locatedb

D. updatedb

Correct Answer :

C. locatedb


The updatedb command is used to update the database used by the locate command.

Related Questions

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4

Which of the following command is used to display the memory map of processes in the Linux system?

A. pmap

B. memmap

C. map

D. procmap

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4

Which command is used to print file content in reverse order line wise, it means, the last line will print first and then print the second last line and so on?

A. reverse

B. tac

C. cat

D. gedit

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4

How to print lines of a given text file from line number 2 to 4 using AWK?

A. awk 'NR==2, NR==4 {print NR,$0}'

B. awk 'NR==2 to NR==4 {print NR,$0}'

C. awk 'NR==2-4 {print NR,$0}'

D. awk 'NR==2,4 {print NR,$0}'

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4

Which of the following operator is used to comment lines in a shell script file?

A. //

B. \

C. /**/

D. #

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4

Which of the following command is used to check a Linux command is a built-in shell command or external command?

A. cmdtype

B. type

C. ctype

D. commandtype

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4

Which of the following command is used to get information about the File Hierarchy System?

A. man rfs

B. man hier

C. man hfs

D. man fhs

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4

Which of the following directories contains binary files?
a) /sbin
b) /lib
c) /bin
d) /var
Options:

A. A and B

B. A and C

C. A, B, and C

D. A, B, C, and D

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4

Which of the following command is used to display the last executed commands list?

A. lastcmd

B. last

C. history

D. chistory

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4

In Linux, the sed stands for?

A. String Editor

B. Stream Editor

C. Simple Editor

D. Single Editor

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4

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. A and B

B. C and D

C. A, B, and C

D. A, B, C, and D

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4

Which of the following directories that contain the shared libraries in the Linux System?

A. /sbin

B. /lib

C. /bin

D. /opt

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4

Which of the following command is used to rename the file names that contain text with txt in the current directory?

A. rename 'r/txt/text' *

B. rename 'e/text/txt' *

C. rename 's/txt/text' *

D. rename 's/text/txt' *

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4

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. A and B

B. C and D

C. A and C

D. B and C

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4

Which exact command is used, when we want to search words in the file that can be ABC1, ABC5, and ABC8?

A. grep ABC[0-9]

B. grep ABC(0-9)

C. grep ABC(0-9)

D. grep ABC(0-9)

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4

Which of the following commands are built-in shell commands in the Linux operating system?
a) pwd
b) cd
c) export
d) echo
Options:

A. A and B

B. C and D

C. A, B, and C

D. A, B, C, and D

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4

How can we shut down the system immediately using the shutdown command?

A. shutdown immediate

B. shutdown now

C. shutdown n

D. shutdown final

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4

There are the following statements that are given below, which of them are correct about Wildcards in the Linux operating system?
a) Wildcards are the string patterns that contain some special characters.
b) Wildcards are used to perform actions on one or more file that uses the same pattern.
c) Linux shell used wildcard characters for globbing.
d) All the above
Options:

A. A and B

B. A and C

C. A, B, and C

D. D

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4

Which exact command is used to disable password for a particular user?

A. usermod -D

B. usermod -d

C. usermod -l

D. usermod -L

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4

In which year Linux was developed?

A. 1989

B. 1990

C. 1991

D. 1993

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4

There are the following commands that are given below, which of them are correct locate command in the Linux operating system?
a) The locate command is also used to search a file.
b) The locate command searches the file into the database.
c) The locate command slower than find command.
d) The locate command search file in MySQL database only.
Options:

A. A and B

B. A and C

C. A, B, and C

D. A, B, C, and D

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4

Which of the following character is used for execute permissions in the Linux operating system?

A. e

B. x

C. E

D. None

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4

Which exact command is used to change from the current directory to the previous directory?

A. cd ..

B. cd ~

C. cd -

D. cd .

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4

Which exact command is used, remove write, and execute permission from a file?

A. chmod w-x

B. chmod x-w

C. chmod we

D. chmod wx

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4

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:

A. Only A

B. Only B

C. A and B

D. A and C

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4

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?

A. !N

B. #N

C. $N

D. !!N

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4

Which of the following command is used to know about the swap memory of the system?

A. swapmem

B. free

C. sw

D. sp

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4

If we want to assign read and execute permission to the file then which number is used in the chmod command to assign permission?

A. 5

B. 6

C. 7

D. 3

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4

Which of the following command is used to update the database used by the locate command?

A. updatelocate

B. updatelocatedb

C. locatedb

D. updatedb

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4

What status is returned on an error by the updatdb command?

A. 0

B. 1

C. 2

D. 3

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4

Which of the following notations are correct for owners of a file?
a) a
b) o
c) u
d) g
Options:

A. A and B

B. A, B, and C

C. A, B, and D

D. A, B, C, and D