Many Linux commands can do more than you might think. The usermod command is one such command, and it can be very handy.

If you're new to Linux, the biggest change from Windows or macOS is probably the command line. Depending on how you use Linux, you might not have to dip into the terminal often, but you will have to ...

User accounts can be assigned to one or more groups on Linux. You can configure file permissions and other privileges by group. For example, on Ubuntu, only users in the sudo group can use the sudo ...

I've been dealing with TS environments since W2000. I was always trained that before I install software on a TS, I must run a "change user /install", and then "change user /execute" when complete.

Back in the early days of Linux, things were exponentially more complicated. The distributions were far less mature and required a particular system account to get things done. That account was root - ...

In Unix-like operating systems, such OS X or a Linux distribution, every file has an owner account. They also have a special program called the terminal that gives access to the command line and all ...

The Linux operating system is powerful and flexible, able to run in several different modes of operation called run levels. When a Linux system starts, a function called "init" is used to configure ...