pwd: /out/package
ppid: 42221
   1: WRITELN pwd > 1.txt
   2: WRITELN cat 1.txt
   3: WRITELN ls
   4: WRITELN exit
exit: 0

mumsh $ mumsh $ /out/package
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

mumsh $ mumsh $ /out/package
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit