We can't know what are these processes.
To list the running processes use the
ps command with long format output:
ps alx
To limit the output use grep:
ps alx | grep gs
Note that one line is for the above command and there may be others non related ones when they contain the
gs string.
Now lookup the
ppid column to see which process has started the
gs commands. Call the above
ps command again grepping now for the
ppid number to get the name of the parent process. This process may be for example a CGI script which has been started by a web server.
Finally look up the documentation of the initiating process.
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