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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.
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.
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.