Even after decades of using Unix on thousands of systems, I find that it’s still fun to discover various convolutions of sed and awk commands to perform command line wizardry. There’s a lot more to ...

Learn how to append text to files in Linux using commands like double redirection operator, tee, and sed without overwriting existing data.

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 ...

If we look at that example of re-writing the backend engine in Python, well, this should have gone through a development cycle where the old code that worked well was left in place, running things ...