Execute a command in operating system, Basic Computer Science

Assignment Help:

Execute a command in operating system:

In order to execute a command OS does the

following steps:

 

  • It accepts a command from a user through mouse clicks or from the keyboard. Through a port number it is able to recognize what is the source of input. 
  • It must interpret these commands and take actions accordingly.
  • It must provide a file system that can interpret the name of the program being requested and determine the location of  the file on secondary storage device for example. 
  • It must read the appropriate blocks from the device into memory. Only then can the operating system transfer control to the program being executed. 

In case of multiple programs executing simultaneously, CPU does some extra jobs to allot  the CPU time in an equitable way to each program, and also maintain the integrity of each program, etc.

 


Related Discussions:- Execute a command in operating system

Environment for intelligent agents-artificial intelligence, Environments ...

Environments We have seen that intelligent agents might take into account certain information when   choosing   a   rational   action, by  including information from its sensor

Adding macros to ms word 2010 for a particular format, Project Setting up ...

Project Setting up Microsoft Word 2010 to automatically handle as much as possible of the NDSU Graduate School requirements for a disquisition. Accessible from the Graduate Schoo

File management, explain the objectives of file management?

explain the objectives of file management?

Components of a computer, COMPONENTS OF A COMPUTER: We use a computing...

COMPONENTS OF A COMPUTER: We use a computing system basically to feed in some data that is processed by the computer and some information is generated as a result.. For this w

Bandwidth, Bandwidth: Bandwidth is the second concept important for tr...

Bandwidth: Bandwidth is the second concept important for transmission. This concept can be explained with the help of the traffic network mentioned earlier. If there is a two-

Define stocktaking, QUESTION (i) Define each of the following terms: ...

QUESTION (i) Define each of the following terms: a) Book trade catalogue b) Stocktaking c) Ephemera d) Contracting out e) Special library (ii) Discuss the adv

Find shortest path in network, Find shortest path from node 1 to node 10 in...

Find shortest path from node 1 to node 10 in the network shown in figure, also find shortest path from node 3 to node 10. Please write all steps to finding shortest path mechanism

Open systems interconnection, Open Systems Interconnection (OS1): As t...

Open Systems Interconnection (OS1): As there are many different protocols for LANs and WANs, communication between two different systems can be difficult. The International St

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd