What is Shell in Operating System? PDF Download

Learn Shell definition in operating system with explanation to study “What is Shell”. Study shell explanation with operating system terms to review operating system course for online degree programs.

Shell Definition

  • Portion of the operating system that interprets interactive user commands and job control language commands.

    Operating Systems by William Stallings

Shell Explanation

A shell is a user interface for access to an operating system's service. These shells either use a command-line interface or graphical user interface, depending on the role of computer and some operations.

Keep Learning Operating System Explanations

What is Time Sharing?

Time sharing is a technique which enables multiple users located at different terminals to use a particular computer system at ...

What is Enabled Interrupt?

Enabled interrupts are created by operating systems so that the processor works on the interrupt enabled. Interrupts are enabled, for ...

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 Beowulf?

Beowulf is an approach to building a supercomputer as a cluster of commodity off-the-shelf personal computers, interconnected with a local ...

What is Logical Record?

A logical record is often structured and may be stored in numbers of full or partial physical records. For instance, ...

What is Weak Semaphore?

A semaphore that doesn't specify order in which processes are removed from the queue is a weak semaphore. The main ...