Answer :
Explanation :

The main types of system calls are as follows: Process Control: These types of system calls are used to control the processes. Some examples are end, abort, load, execute, create process, terminate process etc. File Management: These types of system calls are used to manage files. Some examples are Create file, delete file, open, close, read, write etc. Device Management: These types of system calls are used to manage devices. Some examples are Request device, release device, read, write, get device attributes etc. Information Maintenance: These types of system calls are used to set system data and get process information. Some examples are time, OS parameters, id, time used etc. Communications: These types of system calls are used to establish a connection. Some examples are send message, received messages, terminate etc