Operating System Services

Operating System

To both the users as well as
programs, an operating
system offers diverse range
of services. It develops an
environment where
application programs can
be executed freely and in a
convenient manner
(Coppola et al, 2008).
Some of the common OS services
includes –
■ User Interface
■ Programme Execution
■ Communication
■ Allocation of Resources
■ Accounting
■ Detection of Error
■ Protection and Security

User programmes
System Calls
User interface
Hardware
Progra
m
Contro
l
I/O File
Syste
m
Comm
s
Error
Mngt
Resour
ce
Auditin
g
Securit
y
Operating
System

The operating system offers particular services to programs and to
the users of those programs. These includes interconnection of
various mechanism used in the services.
User Interface
■ There is a sort of user interface to all operating systems. Kinds of
user interface includes –
■ Batch interface, command line interface and GUI.