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 ...

I love chaining commands as much as anyone, and sed, awk, grep, and perl are some of my best friends. However, remember that, in *nix, each command runs in its own process, the resources required for ...

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

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 Linux expand and unexpand commands can turn tabs into spaces and spaces into tabs, and the sed and awk commands can help. The Linux expand and unexpand commands sound like they can make files ...

The Linux terminal may seem rather daunting when you’re accustomed to Windows' menu-based interface, but its utility is nothing to scoff at. Rather than forcing you to navigate through a barrage of ...