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Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re trying to be precise, it matters a lot. I use this when I’m searching through ...

A paper on arXiv by researchers at the Icaro Lab in Italy has set off a firestorm of headlines. It begins with a reference to a founding text of Western philoso ...

PCWorld’s guide helps users navigate the overwhelming choice of approximately 250 Linux distributions by focusing on five main strains: Debian, Red Hat/Fedora, Arch, Slackware, and Gentoo.

There are certain Linux commands I consider essential. They range from networking, troubleshooting, and file viewing. They're also easy enough for new users to learn. Even though I've been using Linux ...

The load average is an important metric in Linux that shows how busy the system is. It allows you to find out how much work the CPU is handling and whether the system is under heavy load. Unlike CPU ...

Kali Linux 2025.2, the second release of the year, is now available for download with 13 new tools and an expanded car hacking toolkit. Designed for cybersecurity professionals and ethical hackers, ...

Ah, the perennial question: Is this the year of Linux? That magical tipping point for mainstream adoption has always hovered as a hope in Linux fans’ minds. And indeed, 2025 seems ripe with ...

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 ...

Ramces is a technology writer that lived with computers all his life. A prolific reader and a student of Anthropology, he is an eccentric character that writes articles about Linux and anything *nix.