List of five service provided by an operating system. Explain how
each provides
convenience to users?
The
main purpose of operating system is to provide environment for the execution of
programs. Thus an operating system provides certain services to program and the
users of those programs.
However
, different operating system can provide different set of service. Some of the
basis services provided by operating system are:
1. Program execution
·
Operating system provides a convenient environment where users
can run their programs
·
The operating system performs memory allocation to programs,
load them into appropriate location so that they can execute. The users need
not to worry about all these tasks.
2. I/O Operation
·
in order to execute a program,it usually requires an I/O operations.
For example , it may need a file and print the output.
·
When all these I/O operation are performed users cannot I/O
devices.
3. File system manipulation
·
The execution of a program may involve reading data from or
writing data to file . it may also require to create or delete a certain file.
·
The operating system provides all these operation and
performs secondary storage management.
4. Communication
·
The various process executing on a system
·
may have multiple execution flows, different once belonging
to difficult threads.
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