In the example below, we can see how grep selects from a list of bugs all those that start with “bee” and then all those for which the third letter is an “a”. This is pretty basic when it comes to ...

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Created in the early days of Unix, it has become a cornerstone of text processing in Linux ...

The grep command is a powerful tool for searching for files or information. Learn some strategies for using it effectively. Windows search is not without certain charms, but when I need to find files ...

These days, you can’t throw a USB stick without hitting something that’s running Linux. It might be a phone, an embedded device, or your TV. Either way, it’s running Linux, and somewhere along the ...

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...

I'm looking for anything matching ip-addresses (v4 is fine for now). Here's the painfull command line I've come up with. Thoughts? This going to match all ranges you see? I know it filters some ...