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.
Correct Answer :
B. look for string match a regular expression..
Related Questions
Read & Write permission means
1
6
2
0
To check if a service is running, the command is
Ntsysv
setup
/etc/rc.d/init.d/service
/etc/serice
_______ is used to rename files
ren
move
rename
mv
mkdir - p is used for
Making directory under parent directory.
Making directory non existing parent directory.
Specified the mode of directory.
None of the above
During Linux booting the init program is called by
ROM
Bootstrap
Sysinit
Kernel
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.
A user is logged in on a terminal; root tries to delete the user. Will the user be deleted?
Yes
No
init 6 is
Shutdown
Restart
Text mode
Graphics mode
What is the meaning of chmod 444 stuf?
Gives all user write permission.
Gives all user execute permission.
Gives all user read permission.
All of the above.
who -h is used to
Print column headings
Hide detail.
Hide user name.
All of the above.
Linux is a
Multi Tasking OS
Multi User OS
Dedicated Server
All of the above
To get information about the Ethernet card, ___________ command is used
ipconfig
ifconfig
eth0
man Ethernet
Default file system type of Linux is
etx
ext2
etx3
mimix
Samba is actually a
Share
File server
File
None of the above
wc -l will give the
Number of lines
Number of characters
Number of words
All of the above
In comm the 2nd column displays
Lines unique in the first file
Lines unique in the second file
Lines common in the both file
Output of the command 'wc <filename>' is
Show only line
Show only word.
Show alphabet, line, word.
Show only file name.
For a user _______ is an autoexec.bat equivalent file in Linux
.bashrc
.bash_rc
.bash_profile
.bashprofile
To start graphics mode use
init 3
init 5
init 0
init 6
The core of Linux OS is also called
Kernel
Shell
root
bash
Protocols used by Linux are
TCP/IP &UUCP
UDP & UUCP
PPP & UDP
None of the above
/dev is used for
Executable file
Contains include file
Contain compiler file.
Device file & resource file.
To see the process status which command you will use?
chmod
ps
ls-l
head
Hidden file can be viewed using
ls -l
ls -a
ls -h
None of the above
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.
Which command is used for character translation?
td
vi
tr
tail
-wxrwx-x is equivalent to
567
675
571
672
Which command is used to compare files?
cmp
diff
head
All of these
The symbol of wildcard(s) is
w
`
? *
None of the above.
ls - t is used for
Sort by name
Sort by date
Sort by time stamp
Sort by alphabetic order