UNICOM's z/Explorer is a plug-in for Eclipse, including Macro 4's M4Workbench and IBM® Developer for z/OS® (IDz), which provides fast, easy access to mainframe data. It is a vital tool for anyone involved in building or supporting mainframe applications using the Eclipse integrated development environment and it offers the added benefit of 3270 terminal emulation at no additional cost. With z/Explorer, you can access z/OS data sets and files, submit JCL jobs, and transfer files all from your Linux, Mac, or Windows computer.