me@mybox:/home/me/sandbox
$ ./2.sh &
[1] 417964
me@mybox:/home/me/sandbox
$ ps -o pid,args -p 417964
   PID COMMAND
417964 -bash
me@mybox:/home/me/sandbox
$ ./1.sh &
[2] 430266
me@mybox:/home/me/sandbox
$ ps -o pid,args -p 430266
   PID COMMAND
430266 /usr/bin/bash ./1.sh