As an Amazon Associate I earn from qualifying purchases.

What is Operating System (OS)? PDF Download

Learn Operating System (OS) definition with explanation to study “What is Operating System (OS)”. Study operating system (os) explanation with operating system terms to review operating system course for online degree programs.

Operating System (OS) Definition

  • Software that controls the execution of programs and that provides services such as resource allocation, scheduling, IO control and data management.

    Operating Systems by William Stallings



Operating System (OS) Explanation

Operating system is a low-level software that supports a computer's basic function, such as scheduling tasks and controlling peripherals. It is a software that manages computer hardware, software resources and provides common services for computer programs.

Keep Learning Operating System Explanations

What is Synchronous Operation?

A synchronous operation blocks a process till the operation completes. This is the main difference in asynchronous and synchronous operation ...

What is Mailbox?

A mailbox is a data buffer that can store a fixed number of messages and drafts of a fixed size. ...

What is Round Robin?

Round robin is a CPU scheduling algorithm where each process is assigned a fixed time slot in a cyclic way. ...

What is Trusted System?

Trusted system is a system that is relied solely on a specified extent to enforce a specified security policy. This ...

What is Physical Address?

A physical address is a memory address that is represented in the form of a binary number on the address ...

What is Mutex?

Mutex (Mut from Mutual and ex from exclusion) is a mutual exclusion object which allows multiple program threads to share ...