Shell Notes: Definitions & Explanations PDF Download
Study Shell lecture notes PDF with operating system definitions and 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 Notes:
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 with Operating System Notes
What is Indexed Access?
Indexed access method is a method of file access in which each file has a specific key value which allows ...
What is Main Memory?
Main memory is the physical memory that is the internal computer memory. The term main is used to distinguish it ...
What is Reusable Resource?
A reusable resource is a resource that is not rendered useless by being used. For instance, a magnetic disk such ...
What is Thread Switch?
Thread switching is the process of switching control from one thread to another by operating system. This switching happens at ...
What is Priority Inversion?
Priority inversion is a scenario in scheduling in which a high priority task is indirectly preempted by a low priority ...
What is Indexed Sequential File?
Indexed Sequential File is a computer file that contains index. The difference in this file and the indexed file is ...