Deck 2: Linux Command

Question 1

Which of the following command can be used to rename a file in LINUX?

A)ren
B)mv
C)remove
D)change

Answer 1

mv

Question 2

What command is used to remove a file?

A)del
B)mv
C)rm
D)remove

Answer 2

rm

Question 3

What command is used to display the top of the file?

A)grep
B)more
C)head
D)cat

Answer 3

head

Question 4

What command is used to sort the lines of data in a file in reverse order?

A)sort - r
B)st
C)sh
D)sort

Question 5

What command is used to print a file?

A)lp
B)pg
C)prn
D)print

Question 6

The command chmod 761 letter is equivalent to

A)chmod 4=7, g = 6, o = 1 letter
B)chmod a = 761 letter
C)chmod u = rwx, g = rw, o = x letter
D)chmod 167 letter

Question 7

What command is used with vi editor to move forward to the end of a word?

A)c
B)d
C)b
D)e

Question 8

The IP address are based on

A)16-bit addresses
B)32-bit addresses
C)64-bit addresses
D)8-bit addresses

Question 9

Which daemon is used for the Apache server?

A)apached
B)httpd
C)html
D)shttp

Question 10

Who founded the FSF?

A)Linus Torvalds
B)Richard Stallman
C)Bob Young
D)All of the above

Question 11

What command is used to copy a file?

A)tar
B)cpio
C)cp
D)copy

Question 12

What command is used to display your current working directory?

A)path
B)pwd
C)prompt $p$g
D)dir

Question 13

What command is used with vi editor to move the cursor to the left?

A)h
B)k
C)j
D)i

Question 14

Which of the following command is used to mount NFS filesystems?

A)nfsmount
B)knfsd
C)mount
D)All of the above

Question 15

You just added a new user, kara, to the system. What group is kara added to by default?

A)root
B)kara
C)group
D)user

Question 16

Which of the following command lists the last 10 lines of a file?

A)grep
B)tail
C)head
D)cat

Question 17

What command is used to terminate a process?

A)kill
B)cancel
C)haltsys
D)shutdown

Question 18

What command is used with vi editor to delete three words?

A)3$d
B)3 dw
C)3 x
D)3 dd

Question 19

What command is used to assign only read permission to all three categories of the file'letter'?

A)chmod u + r, g + r, o - x letter
B)chmod ugo = r letter
C)chmod a - rw letter
D)chmod go + r letter

Question 20

What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others?

A)chmod go + x, u - x letter
B)chmod g - x, uo + r letter
C)chmod go + r, u + x letter
D)chmod u - x, go + r letter

Question 21

What command is used to assign executable permission to the owner of the file named "letter"?

A)chmod ugo + x letter
B)chmod u + x letter
C)chmod u + w letter
D)chmod g + x letter

Question 22

What command is used to summarize the disk usage?

A)disk
B)du
C)fdisk
D)chkdsk

Question 23

What command is used to list the jobs currently in print queues?

A)lpq
B)lpr
C)lprm
D)lpc

Question 24

What is the following syntax used for command 2> / dev / null

A)Send the output of command to a file called / dev / null
B)Discard standard error entirely.
C)Append the output of command to a file called / dev / null
D)Send error messages from command to a file called / dev / null

Question 25

How do you delete your crontab entry?

A)crontab -d
B)crontab -e
C)crontab -r
D)del -crontab

Question 26

How do you create a crontab entry?

A)crontab --create
B)crontab -make
C)crontab -e
D)crontab -c

Question 27

How would you display running httpd processes?

A)ps -C httpd
B)ps -d httpd
C)ps -r httpd
D)ps -D httpd

Question 28

How would you avoid accidentally removing files?

A)rm -i
B)rm -chk
C)rm -a
D)rm -r

Question 29

How would you search for the string clothes at the end of the line in a file called shopping?

A)grep 'clothes#' shopping
B)grep 'clothes!' shopping
C)grep 'clothes$' shopping
D)grep 'clothes^' shopping

Question 30

Which runlevel allows full multiuser mode but with no graphical login manager?

A)Runlevel 1
B)Runlevel 2
C)Runlevel 3
D)Runlevel 0

Question 31

How would you sort a file called shopping on column 3?

A)sort -n 3 shopping
B)sort -k 3 shopping
C)sort -c 3 shopping
D)sort -c3 shopping

Question 32

How do you run a job that will continue running even if you are logged out?

A)hup.out command
B)hup command
C)jobc command
D)nohup command

Question 33

What is the following syntax used for? command >file1 2>file2

A)Send command's standard output to file1,and its standard error to file2
B)Send command's standard error to file1, and its standard output to file2
C)Send command's standard error to file1, and its standard input to file2
D)Send command's standard input to file1,and its standard output to file2

Question 34

What does the 2>&1 at the end of the following command mean?find / -name fred.txt > names 2>&1

A)Send standard error to a file called &1
B)Append standard error to a file called &1
C)Send standard error to the same place as standard output
D)Send the output of the find command to / dev / null

Question 35

Which command is used to unmount a filesystem?

A)dmount
B)dismount
C)unmount
D)umount

Question 36

Which file determines what will be run at each runlevel?

A) / etc / init / runlevels
B) / etc / levels / fstab
C) / etc / fstab
D) / etc / inittab

Question 37

What is the full path for grub's configuration file

A) / boot / grub / lsof.conf
B) / boot / grub / menu.lst
C) / etc / grub / grub.conf
D) / etc / grub / grub.txt

Question 38

How do you display the kernel release?

A)kernel -r
B)uname -r
C)cat / proc / etc / kernel / release
D)cat / etc / config / kernel / release

Question 39

What does the permission string rwxr-xr-- correspond with in octal?

A)742
B)754
C)724
D)624

Question 40

How do you display your current crontab entry?

A)crontab -display
B)crontab -d
C)list --crontab
D)crontab -l

Question 41

How do you see hidden files in your home directory?

A)ls -h
B)ls -la
C)ls -hn
D)ls -R

Question 42

How do you direct the shell to execute a command in the background?

A)Put an & symbol at the end of the command line.
B)Key in fg followed by the command name.
C)Press Ctrl+c after you have keyed in the command.
D)Press Ctrl+d after you have keyed in the command.

Question 43

What keyboard combination can be used to exit the shell?

A)Ctrl+E
B)Ctrl+C
C)Ctrl+D
D)Ctrl+Z

Question 44

What is the purpose of the following operator? >>

A)It is used to send the output of one command so it becomes the input of a second command.
B)It is used to send both input and output to the same file.
C)It is used to overwrite the contents of a file.
D)It appends data to a file without overwriting it.

Question 45

How would you remove a directory that is not empty?

A)rm -r
B)rm -f
C)rmdir -f
D)rmdir -le

Question 46

To display information about the processor itself - display the contents of which file?

A) / bin / cpu
B) / dev / cpuinfo
C) / etc / cpu
D) / proc / cpuinfo

Question 47

To run date first, and then ls -l, which of the following is correct?

A)date $ ls -l
B)date ; ls -l
C)date - ls -l
D)date > ls -l

Question 48

Which file is the list of commands you recently entered stored in?

A).bashrc_history
B).history
C).bash_history
D).bash_list_history

Question 49

Which of the following runs the last command you entered?

A)~!
B)!~
C)!!
D)..

Question 50

What is the shortest command to take you to your home directory?

A)cd ~
B)cd $HOME
C)cd
D)cd/.