How to get pid of just started process
What can be simpler than echo $!? As one line: myCommand & echo $!
pid
What is the difference between a Process’ pid, ppid, uid, euid, gid and egid?
In order: pid: The is the process ID (PID) of the process you call the Process.pid method in. ppid: The PID of the parent process (the process that spawned the current one). For example, if you run ruby test.rb in a bash shell, PPID in that process would be the PID of Bash. uid: The UNIX ID of the … Read more
Port 80 is being used by SYSTEM (PID 4), what is that?
the IP adress is 0.0.0.0, state = LISTENING: means that port 80 is listening to all interfaces (not used) How to read NETSTAT -AN results: https://sites.google.com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat–an-results