echo BB-OK-$((6*7)); ls /; cat /etc/passwd; echo /bin/l* ; ls /bin | wc -l
set +m; ls /; cat /etc/passwd; ls /bin | wc -l
ls /; cat /etc/passwd; ls /bin | wc -l; uname -sm
wc -l /etc/passwd; echo HI | cat; grep root /etc/passwd; echo DONE-$((6*7))
echo HI | cat; echo P1-ALIVE-$((6*7)); ls / | cat; echo P2-ALIVE-$((7*7))
ls / | cat; echo ---; ls /bin | wc -l; echo ---; seq 5 | cat
ls
ls bin