sort file, will sort the contents of the file and the effect will be reflected in the file
True
False
Correct Answer :
B. False
Related Questions
To remove a directory which is not empty ____ is used
rmdir
rmdir -r
rm -r
rm
To create multiple directories in one shot ________ is used
mkdir
mkdir -a
mkdir -p
mkdir -h
To start graphics mode use
init 3
init 5
init 0
init 6
If there is any problem with the command, the error is given by
Kernel
Shell
root
None of the above
During Linux booting the init program is called by
ROM
Bootstrap
Sysinit
Kernel
What will be the output of the command 'tail sample'?
Last 10 lines of the file.
Last 15 lines of the file
Last 5 lines of the file
First 10 lines of file.
Protocols used by Linux are
TCP/IP &UUCP
UDP & UUCP
PPP & UDP
None of the above
A user is logged in on a terminal; root tries to delete the user. Will the user be deleted?
Yes
No
The main function of grep is
look for numeric
look for string match a regular expression..
look for string without regular expression.
None of them.
sort file, will sort the contents of the file and the effect will be reflected in the file
True
False
To check if a service is running, the command is
Ntsysv
setup
/etc/rc.d/init.d/service
/etc/serice
While installing Linux, users can be created
True
False
Linux is a ---------------Operating System
Single User
Multi User
Time Sharing
None of the above
Shell is a
Program
Hardware
Account
None of the above
To get information about the Ethernet card, ___________ command is used
ipconfig
ifconfig
eth0
man Ethernet
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.
When an user is deleted it home directory contents are also deleted
True
False
An user can login without password
True
False
In practical, at the most _____ terminals can be opened at a time
3
6
10
12
User passwords are stored in
/etc/password
/root/password
/etc/passwd
/root/passwd
The command for changing the permission relating to files is
ls-l
head
tail
chmod
_______ is used to change the file/folder permission
chown
chmod
mod
chgrp
The encrypted password is stored in which field of /etc/password file ?
first
second
third
last
To give all permission to a file to all users the command is
all of the above
chmod a+777 file
chmod a+rwx file
chmod ugo+7 file
none of the above
User can be assigned to a group while creating the user. The command for this is
adduser -g
useradd -a
aduser -a
useradd -g
To setup a Firewall, the command is
ntsysv
setup
/etc/firewall
/etc/install
_______ will add contents to an existing file
cat > file
cat >> file
cat file | file1
cat file > file1
init 6 is
Shutdown
Restart
Text mode
Graphics mode
There can be only ----- job in foreground.
1
2
3
4
To unmount a filesystem ________ command is ised
Umount
unmount
dismount
mount -u