General
prctl – operations on a process
FreeBSD
setproctitle — set process title
Linux
About ELF Auxiliary Vectors
setproctitle()
linux: change the process’ name
procname
argv
procnamemodule.c
Howto change a UNIX process and child process name by modifying argv[0]
change process name without change argv[0] in Linux
Change process name in Linux
Giving a process a specific name in GNU/Linux?