What is egrep?
Answers were Sorted based on User's Feedback
Answer / abhilash s
egrep (grep -E in linux) is extended grep where additional
regular expression metacharacters have been added like +, ?,
| and ()
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / tiger6
egrep is a command that allow you to generate a listing
using variables
egrep "First|Last"
this would produce a listing that gave only the data from
the file queried that were associated with the variables
Firt and Last.
example if the the list held First names and Last names you
might see a list like this
Jame Martin
Tom Jones ...
| Is This Answer Correct ? | 4 Yes | 3 No |
System A can contact system B, but not in reverse, not firewall, not tcp wrappers, what is the reason ?
What is the main advantage of creating links to a file instead of copies of the file?
What does mknod do? What?s a named pipe?
What do you mean by nice value?
Have you used VI editor?
I am trying to unmount a remote file system,but I do not unmount that file system.How can i know the user name (i.e.,user who is using that file system).....write the command with argument
What are the read or write or execute bits on a directory mean?
Could you tell something about the Unix System Kernel?
What is paging?
What are the files in /etc directory?
What are the mount and unmount system calls?
does the stat() function call use the inode of the file to generate the information about a file? what is inode mostly used for?