Authenticate to multiple git based source accounts in single system

1. Generate SSH keys using the below two commands in gitbash terminal.

ssh-keygen -t ed25519 -C "abc@gmail.com" -f ~/.ssh/P

ssh-keygen -t ed25519 -C "xyz@c.com" -f ~/.ssh/C

1. Add public keys to respective accounts
2. Configure multiple host in config file under ~/.ssh directory