pwd: /out/package
ppid: 3424
   1: WRITELN echo 123 > 1.txt
   2: WRITELN "echo" "<
   3: WRITELN 1.'txt'" <
   4: WRITELN 1.txt >
   5: WRITELN "2.""txt"
   6: WRITELN cat 1.txt
   7: WRITELN cat 2.txt
   8: WRITELN ls
exit: 0

mumsh $ mumsh $ > > > mumsh $ 123
mumsh $ <
1.'txt'
mumsh $ 1.txt
2.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

mumsh $ mumsh $ > > > mumsh $ 123
mumsh $ <
1.'txt'
mumsh $ 1.txt
2.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit