Fedora Set 3 MCQs | AssignGuru

Q1 | Which command changes a file’s group owner

cgrp

chgrp

change

group

Q2 | Which command is used to extract intermediate result in a pipeline

tee

extract

exec

none of the above

Q3 | Which command is used to extract a column from a text file

paste

get

cut

tar

Q4 | Which command is used to display disk consumption of a specific directory

du

ds

dd

dds

Q5 | Which command is used to perform backup in unix?

backup

cpio

zip

gzip

Q6 | Which command creates an empty file if file does not exist?

cat

touch

ed

read

Q7 | Which option of rm command is used to remove a directory with all its subdirectories

–b

–o

–p

–r

Q8 | Write the command to display the current date in the form dd/mm/yyyy.

date +%d/%m/%y

date +”%d/%m/%y”

date +/%d/%m/20%y

date +”/%d/%m/20%y”

Q9 | Which command will delete all the blank lines in file old.txt?

sed ‘/d’ old.txt

sed ‘/^/d’ old.txt

sed ‘/^$/d’ old.txt

sed ‘/^*/d’ old.txt

Q10 | The command “sed -n ‘/mcqmate/p’ old.txt” will

print the lines containing the word ‘mcqmate’ in file old.txt

delete the lines containing the word ‘mcqmate’ in file old.txt

will generate an error message

none of the mentioned

Q11 | Which option is used by sed to specify that the following string is an instruction or set of instructions?

-n

-e

-f

-i

Q12 | When we install a new package in linux system, then

all the files of the packages are installed in a single directory

different files are installed at different locations of the file system

package works just after extraction, installation is not required

none of the mentioned

Q13 | Host specific configuration files are installed in

/etc directory

/lib directory

/root directory

/bin directory

Q14 | The directory /media is the

mount point for removable media

mount point for filesystem

both (a) and (b)

none of the mentioned

Q15 | What is /bin/sh ?

bourne shell

hard or symbolic link to the real shell command

bash shell

both (b) and (c)

Q16 | The /boot directory stores the data that is used

before the kernel begins executing user mode programs

after the kernel begins executing user mode programs

before the bootloader is loaded in the ram

none of the mentioned

Q17 | Which one of the directory does not contain binary files?

/bin

/sbin

/etc

none of the mentioned

Q18 | Kernel modules are present in

/lib directory

/root directory

/boot directory

none of the mentioned

Q19 | The directory /opt is reserved for

installation of add-on application software packages

optional booting files

optional user specific files

none of the mentioned

Q20 | The directory /srv contains

site-specific data which is served by the system

all the system files

all the service files provided by the specific user

none of the mentioned

Q21 | Any file or directory present in the ______ directory may not be reserved between the invocation of the program.

/var

/tmp

/etc

all of the mentioned

Q22 | What is a context switch?

kernel switches from executing one process to another.

process switches from kernel mode to user mode.

process switches from user mode to kernel mode.

none of the above

Q23 | Pid of init process

0

1

32767

none of the above

Q24 | What is the default maximum number of processes that can exist in Linux?

32768

1024

4096

unlimited

Q25 | How do you get parent process identification number?

waitpid

getpid()

getppid()

parentid()