I'm still new to bash scripting, and I'm trying to get a script to work. The other scripts to which this refers, start.sh and stop.sh, work fine, as well as my references to them.

$ ./cointoss.sh TAILS $ ./cointoss.sh HEADS $ ./cointoss.sh HEADS $ ./cointoss.sh TAILS To wrap up, in this quick tutorial about writing shell scripts, we learned about shebang, RANDOM, variable ...

Today, we're going to introduce the concepts of simple variable substitution and loops—again, with a specific focus on the Bash command line itself, rather than Bash scripting.