Difference between form handling and file handling

Difference between form handling and file handling

1. Form Handling

• Form handler just checks the input.
• Confirm the name and address given.
• Use pattern to confirm email, SSN, zip code(It will allow to the user to know the problem)
• Doing more extensive calculations,
• Using the information to construct a customized HTML page for the client.
• Use to prevent web from abuse(From malicious use  such as 

1. header injection attack
2. cross-site scripting
3. SQL injection

     2.File handling

• Refers to the transfer of data to/from a storage medium
• System IO.namespaces contain types that enable reading and writing on data streams and files.
• File handling has to deal with directory path, disk, storage, and file/directory name,
• Ordered and named collection of bytes that has persistent storage (Doesn't disappear after power off)
• Sequence of bytes that can be read from and written to
• May represent disk, memory , network etc..
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