Grep is a command used in Linux, UNIX and Unix-like operating systems to search text, files or any document for a user-specific pattern, a string of text or a matching character. It displays the matching line on the screen that contains the searched object/objects. Grep is one of the most powerful commands on operating systems like Unix or Linux.
VxWorks is a proprietary and customizable real-time operating system (RTOS). VxWorks is designed for distributed computing on most central processing units (CPU) with embedded systems.VxWorks is used with a spectrum of hardware, including communications and network devices, testing and measuring devices, computer peripherals, automotive systems and consumer products.
VxWorks is compatible with a variety of CPUs, including: Microprocessor without Interlocked Pipeline Stages (MIPS), PowerPC, Intel i960, Scalable Processor Architecture (SPARC), SH-4, the x86 family, Advanced Risc Machine (ARM), StrongARM and xScale. VxWorks features include:
VxWorks is also applied in the spacecraft industry. Examples include:
Because code is written as required, VxWorks may be challenging for novice programmers. However, VxWorks uses less processing power than UNIX and runs at faster speeds because content is saved on a minimal basis. Released in 1985, VxWorks was created and sold by Wind River Systems of Alameda, CA (USA).
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