Operating System

Creating and Deleting Directories

As a corollary to the need to store data in files, files themselves need to be arranged in directories or folders in order to allow their efficient storage and retrieval

What does GUI stand for?

Graphical User Interface

What is system?

A group of interdependent items that interact regularly to perform a task.

What is Operating System-Level Virtualization?

A type of server virtualization technology which works at the OS layer.

Backing Up Files

Files represent a considerate investment in time, intellectual effort money as well thus their loss can have a serve impact

What is an operating system?

Is a software program that enables the computer hardware to communicate and operate with the computer software. Without a computer operating system, a computer would be nothing more than a useless box of parts.

What is the difference between application software and system software?

It is often divided into application software (user driven) and system software (which includes operating systems and any program that supports application software).

Mapping to Permanent Storage

Operation systems needs to be able to map files and folders to their physica

What is the difference between GUI and command driven?

The first computers were all command driven. If a user wanted to launch a program or print a document, they would have to know the correct command. Now, operating systems are driven by graphics. A GUI, or Graphical User Interface, Operating System contains graphics and icons that a user can click to perform a function or execute a program.

What is freeware?

free software, but with copyright restrictions

What is public domain software?

free with no restrictions

What is network operating system?

includes special functions for connecting computers and devices into a local-area network

What is spyware?

is a type of malware that is installed on a computer and collects information about users without their knowledge.

Creating and Deleting Files

are fundamental to computer operations.

What is Operating System Virtualization?

refers to the use of software to allow system hardware to run multiple instances of different operating systems concurrently, allowing you to run different applications requiring different operating systems on one computer system.

What is liteware?

shareware with some capabilities disabled

File Manipulation Instruction

the operating system itself needs to have a machine-level instruction set in order to interface with the hardware directly

What is shareware?

usually intended for sale after a trial period

What is mobile operating system?

also called a mobile OS, is an operating system that is specifically designed to run on mobile devices such as mobile phones, smartphones, PDAs, tablet computers and other handheld devices. The mobile operating system is the software platform on top of which other programs, called application programs, can run on mobile devices.

List the three major operating systems?

Windows,Mac OS,Linux