The server program converts the received string to UPPERCASE and calculates the total number of vowels present in it, then sends both results back to the client.
The client receives the processed output and sends a final acknowledgment back to the server before terminating the connection.

The client connects to the server and sends a string.
The server program sends an acknowledgment message confirming receipt of the string.

 Execute the following Linux commands on your terminal and present the command syntax along with sample outputs

Configure a DNS server (such as BIND9) or FTP server (such as vsftpd) on a Linux operating system. Provide a complete step-by-step installation and configuration guide, and show how to view and sort active service connections using commands like netstat or ss

Write a TCP client and TCP server program in C language on Unix/Linux, where the client program interacts with the server as specified below

The client connects to the server and sends a string.
The server program sends an acknowledgment message confirming receipt of the string.