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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?

1. find -mtime +365 | rm
2. grep (/usr/*) - mtime + 365 | -ok rm
3. find -name - mtime + 365 / - ok rm
4. find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ;

✅ Correct Answer: 4

Which of the following commands is used to summarize the disk usage?

1. chkdsk
2. fdisk
3. du
4. disk

✅ Correct Answer: 3

Which command is used to sort the lines of data in a file in alphabetical order?

1. sort
2. sh
3. st
4. sort-r

✅ Correct Answer: 1

If a file has read and write permissions for the owner, then the octal representation of the permissions will be

1. 1
2. 6
3. 5
4. 3

✅ Correct Answer: 2

Which command is used to copy a file wb with the same name from the programs directory to the misc directory?

1. copy programs/wb misc/wb
2. . cp programs/wb misc
3. tar programs/wb misc/wb
4. copy a:programs/wb b:misc/wb

✅ Correct Answer: 2

Which is the earliest and most widely used shell that came with the UNIX system?

1. C shell
2. Korn shell
3. Bourne shell
4. Smith shell

✅ Correct Answer: 3

The seventh field of /etc/password is

1. password
2. login
3. shell
4. home

✅ Correct Answer: 3

Which command is used to display the end of the file?

1. head - r
2. tail
3. eof
4. bof

✅ Correct Answer: 2

Which command is used to create a directory?

1. crdir
2. md
3. mkdir
4. cr

✅ Correct Answer: 3

Which command is used to display the device name of the terminal you are using?

1. who
2. ls
3. tty
4. stty

✅ Correct Answer: 3

The ls -l command tells

1. who the owner of the file is
2. the name of the group owner of the file
3. how large the file is and when the file was last modified.
4. All of the above

✅ Correct Answer: 4

Which of the following commands can be used to get information about all users who are currently logged into the system?

1. which
2. who
3. who am i
4. 1 /u

✅ Correct Answer: 2

Which command is used to set the three permissions for all the three categories of users of a file?

1. chgrp
2. chown
3. chmod
4. chusr

✅ Correct Answer: 3

Which of the following commands can be used to get information about yourself?

1. who am i
2. i /4
3. pwd
4. which

✅ Correct Answer: 1

Which of the following commands can be used to get information about all users who are currently logged into the system?

1. which
2. who
3. who am i
4. 1 /u

✅ Correct Answer: 2

Which of the following keys is used to overstrike a whole line?

1. R
2. v
3. chmod
4. u

✅ Correct Answer: 1

Which command is used to locate all the .profile files in the system?

1. ls profile
2. find /-name profile -print
3. cd /.profile
4. . l -u .profile

✅ Correct Answer: 2

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Unix MCQS Set 3