161. Which command is used to list all the files with extension .lst ?
A. ls -l *.lst
B. ls lst*
C. ls *.*
D. ls *[lst]
✅ The correct answer is option A.
Basic of linux unix MCQs
162. Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field ?
A. -m.n
B. +m.n
C. + n.m+1
D. +(m+l).n
✅ The correct answer is option B.
163. Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year ?
A. find -mtime +365 | rm
B. grep (/usr/*) – mtime + 365 | -ok rm
C. find -name – mtime + 365 / – ok rm
D. find /user/* (-mtime + 365 – a – atime +365 ) – OK rm {} ;
✅ The correct answer is option D.
164. Which operator will be used with chmod command to assign absolute permission ?
A. +
B. –
C. =
D. %
✅ The correct answer is option C.
165. Who has developed the Linux ?
A. Bob Young
B. Mark Eving
C. Richard Stallman
D. Linus Torvalds
✅ The correct answer is option D.
166. The command used to remove the directory is_______________?
A. rmdir
B. rd
C. remove
D. rdir
✅ The correct answer is option A.
167. What TCP/IP protocol is used for file transfer with minimal capability and minimal overhead ?
A. TELNET
B. TFTP
C. FTP
D. RARP
✅ The correct answer is option B.
168. Which command is used to list out all the hidden files along with the other files ?
A. ls -l
B. ls -x
C. ls -F
D. ls -a
✅ The correct answer is option D.
169. 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
✅ The correct answer is option B.
170. What service is not monitored by inetd ?
A. SSH
B. time
C. ntalk
D. finger
✅ The correct answer is option A.