Binary security functions are functions or operations that do not change the contents of a file on a binary file. This ensures that files are not damaged by certain operations. Binary data is encoded in the form of a string of 0 and 1. Most programs give different format codes to specific bit strings, so when a user reads a binary file using a program, the file is interpreted according to the rules of the program. If the format encoding used by this program is the same as the format in which the file is written, the file can be read normally, otherwise the format code of the file will be appended with some meaningless symbols, which may cause the file corruption. If the most serious situation occurs, such an operation will cause your data to be permanently lost due to damage. So you should keep important files on a read-only storage medium, such as a disc.
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