With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re ...

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 ...

You may find yourself in a situation where you remember the content of a file but not its name. Linux offers various commands to help you find files based on specific text strings within them. By ...

A key point to these tools (from a practical point ) is that they are very memory efficient and allow work on just a "line".