Original sentence: At the upper right hand corner was the icon of the currently running application; clicking on it would cycle through running applications rather than displaying a menu of running applications to choose from.It is still widely considered to be best Macintosh system software version for the machines that can run it, and there are hobbyist groups surfing the web using System 6.The list of running applications appeared at the bottom of the Apple menu instead.This was the forebearer of System 7's Application menu
Edited sentence: At the upper right hand corner, where System 7's application menu would later come to be, was the icon of the currently running application; clicking on it would cycle through running applications rather than displaying a menu of running applications to choose from.However, a list of running applications was appended to the bottom of the Apple menu, and could be selected there.It featured cooperative multitasking, and it is still widely considered to be best Macintosh System Software for the machines that can run it, and there are hobbyist groups surfing the web using System 6 and elderly Macs to run it