There is a bug in OS X that may prevent you from quickly shutting down a computer with Fast User Switching enabled, if another user has applications open. When another user account is logged in and ...

It is the first thing you can try to bypass the problem temporarily. If one or more users are already logged in, you must shut down your PC again. You can restart your computer and then shut it down.

There are quite a few ways on Linux to get a list of the users logged into the system and see what they are doing. The commands described in this article all provide very useful information. The users ...

In this article, we will explain how to sign out other users who are using the same computer to preserve resources and maintain performance. Windows 11/10 allows multiple users to have their own ...

DARPA is researching a biometric authentication system that tracks the unique characteristics of individual users, such as key stroke length. If the system detects a change in the user, it would lock ...

While the use of system preferences is an easy option, this setting can be scripted for quick reversion either manually or by scheduling. Topher, an avid Mac user for the past 15 years, has been a ...

A security glitch at the cashback website Topcashback has caused hundreds of users to be 'partially' logged in to someone else's account over the past month, MoneySavingExpert.com can reveal – with ...

The last command allows you to look further back into time to see both current and older logins, beginning with the most recent and moving back into previous logins. The command below reports on ...