Q. which of these is NOT a valid variable in bash (Solved)
1. (double underscore)
2. _1var (underscore 1 var )
3. _var_ (underscore var underscore)
4. some-var (some hyphen var)
- d. some-var (some hyphen var)
1. (double underscore)
2. _1var (underscore 1 var )
3. _var_ (underscore var underscore)
4. some-var (some hyphen var)