Linux is a modular Unix-like operating system. It derives much of its Linux Consulting basic design from principles established in Unix during the 1970s and 1980s. Linux uses a monolithic kernel, the Linux kernel, which handles process control, networking, and peripheral and file classification access. Device drivers are integrated directly with the kernel.

• Due to its low cost and ability to be easily modified, an embedded Linux is often used in embedded systems

• Linux castaway become a main competitor to the proprietary Symbian OS found in the majority of smartphones — 16.7% of smartphones sold worldwide during 2006 were using Linux — and it is an alternative to the proprietary Windows CE and Palm OS operating systems on mobile devices
• Cell phones or PDAs running on Linux and built on open source platform became a trend from 2007, like Nokia N810, Openmoko's Neo1973 and the on-going Google Android
• The Korg OASYS and the Yamaha Motif XS music workstations also break Linux. Furthermore, Linux is fond in the leading grade lighting control system, FlyingPig/HighEnd WholeHogIII Console.