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.
Correct Answer :
C. Egrap is a another version of grep.
Related Questions
cat > abc, if the requested file does not exist, error will be given by
Kernel
Shell
root
None of the above
Home directory of root is
/home
/bin
/root
/boot
Which command is used for character translation?
td
vi
tr
tail
A user is logged in on a terminal; root tries to delete the user. Will the user be deleted?
Yes
No
During Linux booting the init program is called by
ROM
Bootstrap
Sysinit
Kernel
-wxrwx-x is equivalent to
567
675
571
672
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.
Linux is a ---------------Operating System
Single User
Multi User
Time Sharing
None of the above
To change the ownership of a file use
chmod
chgrp
chown
change
The X-Window system in Linux is a
program development environment
graphical user interface
tool to connect Linux with Windows
none of the above
To delete an user along with its home directory, the command is
userdel -d username
userdel -D username
userdel -r username
userdel -R username
Password is applied using
psswd
pssword
uerpasswd
passwd username
The symbol of wildcard(s) is
w
`
? *
None of the above.
When an user is deleted it home directory contents are also deleted
True
False
who -h is used to
Print column headings
Hide detail.
Hide user name.
All of the above.
Which command is used to compare files?
cmp
diff
head
All of these
All run levels are stored in
/etc/fstab
/etc/init
/etc/inittab
/etc/rc.d
To delete user the command is
rm <username>
delete <username>
userdel <username>
any one of the above
Linux kernel file name is
vmlinux
vmlinuz
lynx
linux
Name of the kernel file in Linux is
lkrnl
vmlinux
linuxbin
none of the above
Output of 'sort > shoppinglist' is
Sorting file but not save in file.
Without sorting but save in file.
Sorting and save in a file.
All of the above.
ls j?e - output will be
Filenames with 3 charcter
Filenames with 4 charcter
Filenames with 5 charcter
Filenames with 10 charcter
To start graphics mode use
init 3
init 5
init 0
init 6
wc -l will give the
Number of lines
Number of characters
Number of words
All 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
sort file, will sort the contents of the file and the effect will be reflected in the file
True
False
All device files are stored in
/device
/etc/dev
/bin
/dev
ls - t is used for
Sort by name
Sort by date
Sort by time stamp
Sort by alphabetic order
chmod 632 stuff means
Gives read & write& execute permission for owner write & execute for group read permission for other.
Gives read & write permission for owner write & execute for group Write permission for other.
Gives write permission for owner write & execute for group Write permission for other.
Gives read & write permission for owner read & execute for group Write permission for other.
The --------- command sorts lines of all the named files.
desc
cp
sort
ls -l