bmon:tldr:1d5d0

The command bmon -a is used to monitor network bandwidth usage. Here's an explanation of each part:

• bmon: This is the name of the command itself, which stands for "bandwidth monitor."
• -a: This is an option or flag, which specifies that all interfaces should be monitored. It tells the bmon command to display bandwidth usage for all available network interfaces on the system.

So, when you run the bmon -a command, it will display real-time statistics of network bandwidth usage for all network interfaces, providing information such as the amount of data sent and received, the current transfer rate, and the overall usage.