CAN-04: Open a command shell on a login server (web browser)

Executive Summary: 
A community member needs to open a command shell on a login server. The login server is provided by a community service provider.
User Importance Summary: 
Most high-performance computing and high-throughput computing services require users to open a remote terminal session on a login server. This is a vital access mode for shared computing services.
Target Communities and Sizes: 
Researchers - 10,000 < N < 100,000 Educators - 100 < N < 1,000 Students - 1000 < N < 10,000 Staff members - 100 < N < 1,000