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4

There can be only ----- job in foreground.

A. 1

B. 2

C. 3

D. 4

Correct Answer :

A. 1


Related Questions

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4

Which command is used for character translation?

A. td

B. vi

C. tr

D. tail

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4

ls -o is used for

A. Except Group

B. Except Owner

C. Except Size in Byte

D. None of the above

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4

All run levels are stored in

A. /etc/fstab

B. /etc/init

C. /etc/inittab

D. /etc/rc.d

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4

sort file, will sort the contents of the file and the effect will be reflected in the file

A. True

B. False

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4

An user can login without password

A. True

B. False

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4

To create multiple directories in one shot ________ is used

A. mkdir

B. mkdir -a

C. mkdir -p

D. mkdir -h

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4

The symbol of wildcard(s) is

A. w

B. `

C. ? *

D. None of the above.

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4

Which command is used to see the system date?

A. Time

B. Date

C. Month

D. None of these

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4

The X-Window system in Linux is a

A. program development environment

B. graphical user interface

C. tool to connect Linux with Windows

D. none of the above

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4

The command to check a partition is

A. fsck

B. fstab

C. fdisk

D. diskdruid

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4

To remove a directory which is not empty ____ is used

A. rmdir

B. rmdir -r

C. rm -r

D. rm

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4

The type of shell mostly used for Linux is

A. bash

B. korn

C. bourne

D. C-shell

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4

_______ will add contents to an existing file

A. cat > file

B. cat >> file

C. cat file | file1

D. cat file > file1

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4

Linux is a

A. Multi Tasking OS

B. Multi User OS

C. Dedicated Server

D. All of the above

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4

To view all the installed RPM packages use

A. rpm -qa

B. rpm -iv

C. rpm -h

D. rpm -I

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4

Shell is a

A. Program

B. Hardware

C. Account

D. None of the above

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4

_______ is used to rename files

A. ren

B. move

C. rename

D. mv

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4

To delete user the command is

A. rm <username>

B. delete <username>

C. userdel <username>

D. any one of the above

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4

init 6 is

A. Shutdown

B. Restart

C. Text mode

D. Graphics mode

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4

For a user _______ is an autoexec.bat equivalent file in Linux

A. .bashrc

B. .bash_rc

C. .bash_profile

D. .bashprofile

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4

What is the relation between grep & egrep

A. egrap is a mother of grep.

B. Egrap is totally difference

C. Egrap is a another version of grep.

D. None of these.

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4

ls j?e - output will be

A. Filenames with 3 charcter

B. Filenames with 4 charcter

C. Filenames with 5 charcter

D. Filenames with 10 charcter

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4

To give all permission to a file to all users the command is
all of the above

A. chmod a+777 file

B. chmod a+rwx file

C. chmod ugo+7 file

D. none of the above

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4

Protocols used by Linux are

A. TCP/IP &UUCP

B. UDP & UUCP

C. PPP & UDP

D. None of the above

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4

Output of the command 'wc <filename>' is

A. Show only line

B. Show only word.

C. Show alphabet, line, word.

D. Show only file name.

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4

In practical, at the most _____ terminals can be opened at a time

A. 3

B. 6

C. 10

D. 12

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4

The --------- command sorts lines of all the named files.

A. desc

B. cp

C. sort

D. ls -l

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4

What is the meaning of chmod 444 stuf?

A. Gives all user write permission.

B. Gives all user execute permission.

C. Gives all user read permission.

D. All of the above.

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4

Default file system type of Linux is

A. etx

B. ext2

C. etx3

D. mimix

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4

________ gives information about an user

A. who

B. who am i

C. who -i

D. None of the above