partitioning - About File System and Formatting Device - Ask Ubuntu


i formatted pen drive using terminal , can use full 16gb(capacity) of pen drive, before formatting capacity 14.9gb.i want ask ,how can possible access full capacity of pen drive?is there have done wrong? include screenshot of terminal window showing commands entered.

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you haven't done wrong, except misread 14.9 gib 14.9 gb.

they 2 different units of measurement, computing equivalent of imperial , metric. clue on last line of output dd:

16022241280 bytes (16 gb, 15 gib) copied

hard drives sold in metric units (gb) prefixes (k, m, g) increase in multiples of 1000, computers have traditionally used larger binary units (gib), prefixes increase in multiples of 2^10 (10 twos multiplied together), equal 1024.

therefore gigabyte (gb) 1000*1000*1000 bytes, while gibibyte (gib) 1024*1024*1024 bytes, , indeed 16.0*1000*1000*1000 equal 14.9*1024*1024*1024.


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