A filesystem that sends an email with a code to the user, when the user wants to read a file using cat, more, etc.
The users email must be in a file in the root directory, with the name equal to "userEmails" and have the following format:
- Each line represents a user;
- Each line consists in two words, user name and email
After receiving the code, the user must execute the "InsertCode.c" code and introduce the received code.