Looking for a mentor - China DOS Union Forum - China DOS Union

Hello everyone, I want to ask a few things?
1: For the term BIOS, what is the correct formal written term used in computers? I’ve noticed everyone uses it inconsistently.
2: Sometimes there are files I can’t delete under Windows, and under DOS they are hidden. How can I make them show up and delete them?
When replying to me, I hope everyone can explain the method carefully, and it would be best if you could also write out the usage format, then I’ll understand it more clearly.
For example, how do you show files and how do you hide files?

Floor1　2518682	Posted 2004-01-22 00:00
初级用户　Posts 8　Credits 134
Hello everyone, I want to ask a few things? 1: For the term BIOS, what is the correct formal written term used in computers? I’ve noticed everyone uses it inconsistently. 2: Sometimes there are files I can’t delete under Windows, and under DOS they are hidden. How can I make them show up and delete them? When replying to me, I hope everyone can explain the method carefully, and it would be best if you could also write out the usage format, then I’ll understand it more clearly. For example, how do you show files and how do you hide files?

Floor2　xiaojun	Posted 2004-01-22 00:00
银牌会员　Posts 499　Credits 2,202
dir /a shows hidden files, attrib +h hides files