Linux MCQ Questions & Answers

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Each section contains 100 MCQs on Linux .

In linux kernel 2.1, the minor numbers were used to

A) represnt the sub-functionalitites of the driver B) identify the driver C) represent the device files D) none of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Sysfs does not contains

A) regular files B) symbolic links C) directories D) none of the mentioned

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which character to use to escape meaning of special characters in search operations?

A) [] B) ^ C) . D) backslash (\)

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

nohup is used to

A) automatically hang up the process after logout B) continue the process after logout C) create backgroung process D) manually hang up the process after logout

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The a.out file is in the

A) ELF format B) EXE format C) Both EXE and ELF format D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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

A) /var B) /tmp C) /etc D) all of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Code snippets

str1=”45678\n”
str2=”123\n”
f1 = fopen(file1,RDWR,RWX)
f2 = fopen(file1,RDWR,RWX)
write(f1,str1,len_str1)
write(f2,str2,len_str2)
 
o/p:

A) 12378 B) 123(newline)8(newline) C) 123(newline)78(newline) D) 45678(newline)123(newline)

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The system calls in UNIX is written using which language

A) C B) C++ C) Assembly Language D) Fortran

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

? Specifies

A) one or more character B) zero or more charecter C) one character D) none of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Parameters can be passed to a function

A) by using the parameter variables $1, $2, $3....... B) by using the environment variables C) by using the parameter & environment variables D) none of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Linux MCQ Questions & Answers | Computer Science