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Unix/Linux

The growing popularity of Unix and particularly Linux has led to its appearance in many home-based machines. Many computer enthusiasts have installed this operating system on their machines and found that it can be both highly secure and highly complex. Many of the steps one takes to secure a Unix machine have analogous steps in the Microsoft world.

The basic steps of physically securing the machine remain the same. Regardless of the operating system, the same steps taken to physically secure a machine, its BIOS, and backups remain the same. Linux comes with file permission and directory setting as well as screensaver password protection. Years ago, Unix/Linux was more command-line driven. However, in today's flavors of Linux, graphical interfaces are common and emulate many of the Windows features. We can use many methods to implement basic security in a Linux installation. As with Windows, these steps need constant vigilance and update to keep the operating system secure over time. Linux is not as user friendly as Windows. For any questions you have on a command or function, you can invoke the man command. man, which stands for manual, can be invoked on any command by typing man commandname. man is your friend in the Linux world.


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