root二进制文件,x5pro卡刷root后二进制文件更新

【root二进制文件,x5pro卡刷root后二进制文件更新】LINUX怎么判断一个文件是2进制?
使用file命令加文件名会显示文件属性man file--------------------------------------- NAMEFIle — determine file typeSYNOPSISfile [-bchiklLNnprsvz0] [--apple] [--mime-encoding] [--mime-type] [-e testname] [-F separator] [-f namefile] [-m magicfiles] file ...file -C [-m magicfiles]file [--help]DESCRIPTIONTHIS manual page documents version 5.11 of the file command.file tests each argument in an attempt to classify it.There are three sets of tests, performed in this order: filesystem tests, magic tests, and language tests.The first testthat succeeds causes the file type to be printed. 。

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