A tiny mistake in Linux's core, the kernel, sat there for 15 years, and on any machine that hasn't been patched it hands a normal user full control.

A free add-on you grabbed for Arch Linux may have quietly stolen your passwords and the saved logins your apps use.

Microsoft just dropped Linux's everyday command-line tools straight into Windows, with no virtual machine and no Linux subsystem in the way.

One free command saves any web page as a single file that still works years later, even after the original site goes down.