echo $!
^^ note that $ denotes variable expansion, and ! is special variable to represent PID of last background process executed
echo $!
^^ note that $ denotes variable expansion, and ! is special variable to represent PID of last background process executed
status | not learned | measured difficulty | 37% [default] | last interval [days] | |||
---|---|---|---|---|---|---|---|
repetition number in this series | 0 | memorised on | scheduled repetition | ||||
scheduled repetition interval | last repetition or drill |