In Linux environment, or Linux OS will not consider the extension of File names . For instance extension of file has more significance only in Windows operating system. That is filename.bat or filename.exe has more significant


what is the difference between block and Character Devices ?


when the user writes some thing the information is saved and written in chunks and assume that every time if you want to access the device it will be a time consuming task. Instead we can use a buffer where it can store the latest information. Devices which uses buffers are called block devices and which are not using buffer cache are called Character devices