The environment does appear in the process table: see `ps e` on Debian at https://manpages.debian.org/buster/procps/ps.1.en.html or ps -e on BSD at https://www.freebsd.org/cgi/man.cgi?query=ps&apropos=0&sekti... or pargs -e on Solaris at https://www.unix.com/man-page/opensolaris/1/pargs