Which of the following commands is used to summarize the disk usage?
1.chkdsk
2.fdisk
3.du
4.disk
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
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 {} ;
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
The seventh field of /etc/password is
1.password
2.login
3.shell
4.home
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
Which command is used to create a directory?
1.crdir
2.md
3.mkdir
4.cr
Posted Date:-2021-02-20 14:09:04
Which command is used to display the device name of the terminal you are using?
1.who
2.ls
3.tty
4.stty
Posted Date:-2021-02-20 14:09:04
Which command is used to display the end of the file?
1. head - r
2.tail
3.eof
4.bof
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
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
Posted Date:-2021-02-20 14:09:04
Which of the following commands can be used to get information about yourself?
1.who am i
2. i /4
3.pwd
4.which
Posted Date:-2021-02-20 14:09:04
Which of the following keys is used to overstrike a whole line?
1.R
2.v
3.chmod
4.u
Posted Date:-2021-02-20 14:09:04