user507401 questions

• why cannot we use process id insted of taking the port we are binding
• about setsockopt() and getsockopt() function
• How is it possible for fork() to return two values?
• How do unix signals work?
• What is the difference between fork() and vfork()?
• Why does TCP wait for three duplicate ACK before fast retransmit? [closed]
• Please explain the exec() function and its family

user507401 answers