Lines of rc.shutdown from check-in 8bc8c738d5 that are changed by the sequence of edits moving toward check-in f49abe7565:

                         1: #!/sbin/sh -Tue -
                         2: 
                         3: stty status '^T'
                         4: 
                         5: trap : 2
                         6: 
                         7: HOME=/
                         8: PATH=/sbin:/bin:/usr/sbin:/usr/bin
                         9: 
                        10: export PATH HOME
                        11: 
                        12: MAKEINIT="make -D AUTOBOOT -C /etc/mrc -k"
                        13: NCPU=$((`/sbin/sysctl -n hw.ncpu` + 1 ))
                        14: #MAKEDEBUG="-d -nelLx"
                        15: 
8bc8c738d5 2022-05-31   16: mount -t tmpfs tmpfs /etc/mrc/tmp && ${MAKEINIT} -j ${NCPU} ${MAKEDEBUG} -X TMPDIR=/etc/mrc/tmp EXIT && umount /etc/mrc/tmp || ${MAKEINIT} EXIT
                        17: 
                        18: echo '.'
                        19: exit 0