Aug 272010
kernel1) Linux is an OS!

Linux is not an OS, it is actually a kernel which is the middleware between your Apps and Hardware!
The Better the Kernel, the better the system responds! and better error handling!
The Complete OS is called a Linux Distro! there are many like Fedora, Ubuntu, Gentoo, OpenSuse , e.t.c

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Aug 112010

sudoroot / sudo
If you are reading this you are likely aware that the administrator on Linux/Unix systems is referred to as root. The root account is the account on which all system processes run and should be the only account that can write to the main filesystem.

Because most of us started our computing lives out using Microsoft Windows there has always been a notion that it is better to be the administrator of the system. Unfortunately this is one of the major causes of insecurity in computing and opens up your system to instability. As most Linux users will tell you, only log in as root to perform maintenance on your system and never log in to a graphical or desktop session using root.

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