TECHNICAL MCQ- Concept Challenge

1Carefully read the question and answer accordingly.Which of the following commands is used for an automatic remainder service?

A.Calendar

write

mail

mesg

Ans: A

Carefully read the question and answer accordingly.
How to execute ls command inside a vi editor?

A.we can’t execute

!ls

:!ls a

:ls

3.Carefully read the question and answer accordingly.Which of the following keys is used to move the cursor to the end of the paragraph?

A.|

$

} a

{

4.Carefully read the question and answer accordingly.
The telnet command is used to communicate with another host using ------ protocol.

A.SOS

TCP\IP a

SWAG

TELNET a

5.What command is used to delete a directory?

A.deldir

rmvdir

rmdir a

delete


6.Carefully read the question and answer accordingly.
State whether TRUE or FALSE:
The “cat” utility can be used to open a file and even concatenate a file.

FALSE

TRUE a

7.


Carefully read the question and answer accordingly.
Unix file System -----

Single path name must NOT LONGER than 1023 chars

File tree can be arbitrarily deep.

All of the listed options a

File name must NOT LONGER than 256 chars.

8.Carefully read the question and answer accordingly.Which command is used to display the top of the file?

grep

more

cat

head a

9.Carefully read the question and answer accordingly.
Which of the below statement are true about Shell script?

Enhances portability

Needs to compilation

is not good in arthimetic operations

All of the listed options a

9.Carefully read the question and answer accordingly.What do you use to forward errors to a file?

1> filename 

2> filename a

&> filename 

2> /dev/null 

11.Which of the utility can be used for searching lines or specific strings of characters in one or more files?

more

pr

grep a

shell

12.Carefully read the question and answer accordingly.Which one of the following options is not a shell in UNIX system?

Bourne Shee

Net Shell a

Korn shell


C shell

13.Which command is used to copy all files having the string chap and any two characters after that to the progs directory?



cp chap[12] /progs/*.*

cp chap?? progs a

cp chap?? /progs/*
cp chap* progs

14.Who needs to possess the superuser account?

System administrator a

Ordinary users

Department manager
President of the company



15.Which command sends the word count of the file infile to the newfile?

wc infile - newfile
wc infile | newfile

wc newfile

wc infile >newfile a

16.Which symbol will be used with grep command to match the pattern pat at the beginning of a line?

 ^pat a
$pat

  pat^

 pat$


17.Carefully read the question and answer accordingly.The advantage of binary files over text files is that ----------

all of the listed options

it can be accessed faster

they are more reliable a

it is compact














18.Carefully read the question and answer accordingly.Which of the following is not a communication command?

mesg

mail

grep a

write



19.Carefully read the question and answer accordingly.
What is Unix Shell?

It is an editor application

Kernel process scheduler

Command line interpreter a

All of the listed options


20.n which section of a process,the information about the arguments to the program are available?

Text

Data

Stack a

user Block