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P. 63
An analogy for the relationship
between system calls and an
Application Programming Interface
(API) is when a user uses a
smartphone app to communicate
with a smart home system.
1
OS - SHA
An Operating System is represented
by the Smart Home Automation 2
(SHA), which is responsible for API
managing and controlling the
system's different resources and The smartphone app represents the
functionalities. API, which serves as an intermediary
that allows users (applications) to
interact with the Smart Home
3 Automation (operating system) in a
SYSTEM CALLS standardized and simplified manner.
When the user interacts with the app
by tapping buttons or issuing 4
commands, the app translates these SYSTEM CALLS - API
actions into specific requests or
instructions (system calls) that the Similar to this, when an application
smart home system can understand uses the API, it makes calls or
and execute. requests to particular operating
system functions or services (called
system calls) in order to carry out
operations like file input/output,
process management, or network
connection.
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