While chaining various programs using Bash, you often discover some amazing and useful tricks. Here are two I recently found.

I recently discovered GNU Parallel, a simple and useful parallel program implemented in Perl, which can easily execute various commands in Bash in parallel. This is particularly useful for tasks that can be divided into independent subtasks.

bash-it is a collection of bash plugins inspired by oh-my-zsh. Installing bash-it not only makes the bash interface more stylish but also makes the command line more convenient.