
tmsh is F5's on-device shell for managing all aspects of the BIG-IP. With scripting capability and script-level variables, it is a powerful tool for automation and standardizing frequently performed operations. A fully functional command language for command line manipulation of BIG-IP objects, tmsh promises to be one of the most-discussed items on DevCentral in the coming years. This page should help you figure out how to get started, where to find references and even pre-written scripts, and when/why/how you can use tmsh to power up your infrastructure.
tmsh Essentials: Wiki | Samples | Forums