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

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The awk command is a versatile text-processing tool in Linux. It filters and manipulates files using patterns, conditions, and actions. It supports a wide range of scenarios, making it straightforward ...

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 ...

The first command we’ll examine in this post is a very unusual awk command that systematically removes every line in the file that is encountered more than once. It leaves the first instance of the ...

Linux provides a lot of handy commands for manipulating text files. This post explains how to use a collection of them. Whenever you need to work with lists that are stored as text files on Linux – ...