List All Built-In Bash Commands In Ubuntu / Linux Mint

Using the help feature to know more about a specific Bash command
With so many commands available at disposal from the Ubuntu / Linux Mint terminal, it can be useful to get a list of built-in commands supported by the Bash shell. (To get and idea about what a Linux shell is, refer to this brief overview of different shells in Linux  and to know how to use  various commands, refer to the Linux command line tutorial series). For getting the list of Bash commands,...