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NAMEf3write, f3read - test real flash memory capacitySYNOPSISf3write [--start-at=NUM] [--end-at=NUM] <PATH> f3read [--start-at=NUM] [--end-at=NUM] <PATH> DESCRIPTIONF3 (Fight Flash Fraud or Fight Fake Flash) tests the full capacity of a flash card (flash drive, flash disk, pendrive). It writes to the card and then checks if can read it. It will assure you haven't been sold a card with a smaller capacity than stated.When writing to flash drive, f3write fills the filesystem with 1GB files named N.h2w, where N is a number (i.e. /[0-9]+/). WARNING: all data on the tested disk might be lost! OPTIONS
EXAMPLETo write over a flash drive mounted at /media/TEST:$ f3write /media/TESTTo read this flash drive: $ f3read /media/TEST SEE ALSOFor detailed information about the F3 tools, see:http://oss.digirati.com.br/f3/ AUTHORF3 was written by Michel Machado <michel@digirati.com.br>. This manual page was first written by Joao Eriberto Mota Filho <eriberto@eriberto.pro.br>.
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