Question

2. What are the rules for giving the name to a file in Linux? ​

Answer 1

Answer:

Linux / UNIX: Rules For Naming File And Directory Names

All file names are case sensitive. ...

You can use upper and lowercase letters, numbers, “.” (dot), and “_” (underscore) symbols.

You can use other special characters such as blank space, but they are hard to use and it is better to avoid them.