If you run a bash script while using a different shell, this line ensures that bash—and not your current shell—will run the commands included in the script.

Using nohup to Keep Commands Running After Terminal Closure The nohup command allows you to run a command in the background and keep it running even after the terminal session is closed.

However, unlike many other languages, bash scripting doesn't use a compiler to run its code but instead relies on a command-line interpreter. The interpreter takes the commands from Bash and runs ...

Creating sub-shells in bash is simple: just put the commands to be run in the sub-shell inside parentheses. This causes bash to start the commands as a separate process.

Azure Cloud Shell now supports the Linux-based Bash command-line interface (CLI), Microsoft announced this week.

The eval command allows you to run the contents of variables as commands and can be very useful -- especially in scripts.