Team , I am using VIOS for switch configuration ,my problem cannot save the running config . when I open devic again, all the existing config are deleted. Please give the solution for it.

Team , Which Laptop configurations are perfect for preparing CCIE laps without any issues . Have an Idea to buy the new laptop according to CCIE exam laps preparation , and this laptop I am  going to use@ Juniper routers laps for working purpose too ...