A. lc
B. wc – l
C. cl
D. count
✅ The correct answer is option B.
Basic of linux unix MCQs
Which of the following commands is used to display the filenames in multiple columns ?
A. ls
B. ls -1
C. ls -x
D. lc
✅ The correct answer is option C.
In order to increase the amount of memory available for a system, what is the maximum size of a swap partition (with kernel version 2.2.x) ?
A. 2GB
B. 128MB
C. 64MB
D. 32MB
✅ The correct answer is option A.
Which of the following NIS clients, finds and stores information about an NIS domain and server ?
A. ypwhich
B. ypbind
C. ypcat
D. yppoll
✅ The correct answer is option B.
Which command is used to make all files and sub-directories in the directory (progs) executable by all users ?
A. chmod -R a+x progs
B. chmod -R 222 progs
C. chmod -1 a+x progs
D. chmod -x a+x progs
✅ The correct answer is option A.
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
✅ The correct answer is option B.
Which of the following command is used to go to home directory ?
A. cd..
B. cd/
C. cd
D. cd HOME.
✅ The correct answer is option C.
Which command sends the word count of the file infile to the newfile_______________?
A. wc infile >newfile
B. wc newfile
C. wc infile – newfile
D. wc infile | newfile
✅ The correct answer is option A.
Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files ?
A. -l
B. -d
C. -r
D. -b
✅ The correct answer is option A.
What does OSS stand for ?
A. Open System Software
B. Original Source Software
C. Open Source Software
D. Original System Server
✅ The correct answer is option C.