Plan 9 from Bell Labs’s /usr/web/sources/patch/applied/ape-script-tweeks/psh.orig
#!/bin/rc # set up a shell running in an approximate POSIX 1003.2 environment rfork en fn sigterm{} HOME=$home bind -b /rc/bin/ape /bin bind -b /$cputype/bin/ape /bin if(test -d /$cputype/bin/pub) bind -a /$cputype/bin/pub /bin /bin/sh $*