User

$ set $|$ more

$ printenv

$ printenv $|$ grep SHELL

$ printenv $|$ grep BLOB

$ export BLOB$=$Hello

$ printenv $|$ grep BLOB

$ echo $BLOB

$ echo I am Sam

$ echo $BLOB Sam

$ man true

$ true

$ echo $$?$

$ man false

$ false

$ echo $$?$

$ grep blob $/$etc$/$passwd

$ echo $$?$

$ grep root $/$etc$/$passwd

$ echo $$?$

$ true && echo Goodness

$ false && echo Badness

clear && compile something && run something

what does this return