Complete the UNIX® commands table.
Write a short essay that discusses the pros and cons of using open-source softw ar in the business environment. Provide at least one example for each position.
Write a short essay discussing why Java™ advocates support UNIX®. Note whether you agree with them and explain why or why not.
The UNIX run administration (OS) consists of a tenderness layer, a shell layer and a utilities and applications layer. These three layers farm a portable, multiuser, multitasking operating system. There atomic number 18 multiple versions of the OS, only every version has the exact same structure. Unix is used by programmers, businesses, universities and governments because of its stability and its ability to perform many tasks at the same time.
Basics
The Unix operating system is a multiuser, multitasking operating system originally designed for programmers by AT&T employees at Bell Laboratories in 1969. The price multiuser and multitasking mean that many different users whoremaster perform tasks simultaneously on one machine.
Each user interacts with her own instance of the shell, and can start one or more applications inside that shell.
Kernel
The Kernel is the heart of the Unix OS. It is a software application that provides the larboard between the hardware and the user. It handles the process, memory, file, device and network management for the operating system. The kernel is responsible for ensuring that all system and user tasks are performed concurrently.
Shell
The shell is the program that sits between the user and the kernel. It is the interpreter that translates the commands that are typed into the terminal session. Users can type commands directly into the terminal, or they can create a text file containing a serial of commands that can be sent to the shell. The series of commands are called a shell...If you want to get a full essay, order it on our website: Orderessay
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