To remove a directory which is not empty ____ is used
rmdir
rmdir -r
rm -r
rm
Correct Answer :
C. rm -r
Related Questions
Which command is used for character translation?
td
vi
tr
tail
While installing Linux, users can be created
True
False
For a user _______ is an autoexec.bat equivalent file in Linux
.bashrc
.bash_rc
.bash_profile
.bashprofile
What is the relation between grep & egrep
egrap is a mother of grep.
Egrap is totally difference
Egrap is a another version of grep.
None of these.
The encrypted password is stored in which field of /etc/password file ?
first
second
third
last
To unmount a filesystem ________ command is ised
Umount
unmount
dismount
mount -u
Protocols used by Linux are
TCP/IP &UUCP
UDP & UUCP
PPP & UDP
None of the above
_______ will add contents to an existing file
cat > file
cat >> file
cat file | file1
cat file > file1
The command to check a partition is
fsck
fstab
fdisk
diskdruid
To remove a directory which is not empty ____ is used
rmdir
rmdir -r
rm -r
rm
User passwords are stored in
/etc/password
/root/password
/etc/passwd
/root/passwd
Linux mount partition must be a primary partition
True
False
In comm the 2nd column displays
Lines unique in the first file
Lines unique in the second file
Lines common in the both file
To view all the installed RPM packages use
rpm -qa
rpm -iv
rpm -h
rpm -I
Password is applied using
psswd
pssword
uerpasswd
passwd username
Linux kernel file name is
vmlinux
vmlinuz
lynx
linux
All device files are stored in
/device
/etc/dev
/bin
/dev
Which command is used to compare files?
cmp
diff
head
All of these
_______ is used to change the file/folder permission
chown
chmod
mod
chgrp
To start graphics mode use
init 3
init 5
init 0
init 6
To setup a Firewall, the command is
ntsysv
setup
/etc/firewall
/etc/install
The type of shell mostly used for Linux is
bash
korn
bourne
C-shell
The mounted partition information is stored in
/etc/passwd
/etc/fstab
/etc/inittab
/sbin/lilo
If there is any problem with the command, the error is given by
Kernel
Shell
root
None of the above
_______ is used to rename files
ren
move
rename
mv
To delete an user along with its home directory, the command is
userdel -d username
userdel -D username
userdel -r username
userdel -R username
sort file, will sort the contents of the file and the effect will be reflected in the file
True
False
-wxrwx-x is equivalent to
567
675
571
672
The core of Linux OS is also called
Kernel
Shell
root
bash
To search a pattern in a file _________ can be used
grep
egrep
find
search