[TUHS] Unix v7 ps command question

Hi, When executing ps alx on the interdata sim I get good output: # ps alx F S UID PID PPID CPU PRI NICE ADDR SZ WCHAN TTY TIME CMD 3 S 0 0 0 255 0 20 2235 2 4262 ? 36:48 swapper 1 S 0 1 0 0 30 20 2255 8 46060 ? 0:00 /etc/init 1 S 0 19 1 0 30 20 2745 11 46114 co 0:00 -sh 1 R 0 301 19 4 50 20 4056 20 co 0:00 ps alx 1 S 0 12 1 0 40 20 2545 5 140000 ? 0:00 /etc/update 1 S 1 18 1 0 40 20 2625 10 140000 ? 0:00 /etc/cron # When executing ps alx on the pdp11 sim I get bad output: # ps alx F S UID PID PPID CPU PRI NICE ADDR SZ WCHAN TTY TIME CMD 115 5120 0 0 1 26 1 55 1 3003 ? 120150:37 swapper # I tried copying the source from one machine to the other. No luck, same issue. I have attached the source from both machines. Any help appreciated. Ken -- WWL 📚