Explain the essential difference between a block special file and a character special file.
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Character special file is used for device Input/Output(I/O), data is transferred one character at a time. This type of access is called raw device access.
In long-format output of ls -l, character special files are marked by the “c” symbol.
Block special file is used for device Input/Output(I/O), data is transferred in large fixed-size blocks. This type of access is called block device access.
In long-format output of ls -l, block special files are marked by the “b” symbol.
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