missing man page

No man page found for cat%20/home/marcos/Evidencias/Bulk_PC-20170427_/winprefetch.txt%20%7C%20egrep%20-En%20%22%5B0-9%5D%2A-%5B0-9%5D%2A-%5B0-9%5D%2AT%5B0-9%5D%2A%5B%3A%5D%5B0-9%5D%2A%5B%3A%5D%5B0-9%5D%2A%22%20%7C%20sort.1%20-k%205%2C5%20%7C%20plan9-tail.