mkfs.fat --help mkfs.fat 4.2 (2021-01-31) Usage: mkfs.fat [OPTIONS] TARGET [BLOCKS] Create FAT filesystem in TARGET, which can be a block device or file. Use only up to BLOCKS 1024 byte blocks if specified. With the -C option, file TARGET will be created with a size of 1024 bytes times BLOCKS, which must be specified.
Options: -a Disable alignment of data structures -A Toggle Atari variant of the filesystem -b SECTOR Select SECTOR as location of the FAT32 backup boot sector -c Check device for bad blocks before creating the filesystem -C Create file TARGET then create filesystem in it -D NUMBER Write BIOS drive number NUMBER to boot sector -f COUNT Create COUNT file allocation tables -F SIZE Select FAT size SIZE (12, 16 or 32) -g GEOM Select disk geometry: heads/sectors_per_track -h NUMBER Write hidden sectors NUMBER to boot sector -i VOLID Set volume ID to VOLID (a 32 bit hexadecimal number) -I Ignore and disable safety checks -l FILENAME Read bad blocks list from FILENAME -m FILENAME Replace default error message in boot block with contents of FILENAME -M TYPE Set media type in boot sector to TYPE --mbr[=y|n|a] Fill (fake) MBR table with one partition which spans whole disk -n LABEL Set volume name to LABEL (up to 11 characters long) --codepage=N use DOS codepage N to encode label (default: 850) -r COUNT Make room for at least COUNT entries in the root directory -R COUNT Set minimal number of reserved sectors to COUNT -s COUNT Set number of sectors per cluster to COUNT -S SIZE Select a sector size of SIZE (a power of two, at least 512) -v Verbose execution --variant=TYPE Select variant TYPE of filesystem (standard or Atari)
--invariant Use constants for randomly generated or time based values --offset=SECTOR Write the filesystem at a specific sector into the device file. --help Show this help message and exit
mkfs.fat -v mkfs.fat 4.2 (2021-01-31) No device specified. Usage: mkfs.fat [OPTIONS] TARGET [BLOCKS] Create FAT filesystem in TARGET, which can be a block device or file. Use only up to BLOCKS 1024 byte blocks if specified. With the -C option, file TARGET will be created with a size of 1024 bytes times BLOCKS, which must be specified.
Options: -a Disable alignment of data structures -A Toggle Atari variant of the filesystem -b SECTOR Select SECTOR as location of the FAT32 backup boot sector -c Check device for bad blocks before creating the filesystem -C Create file TARGET then create filesystem in it -D NUMBER Write BIOS drive number NUMBER to boot sector -f COUNT Create COUNT file allocation tables -F SIZE Select FAT size SIZE (12, 16 or 32) -g GEOM Select disk geometry: heads/sectors_per_track -h NUMBER Write hidden sectors NUMBER to boot sector -i VOLID Set volume ID to VOLID (a 32 bit hexadecimal number) -I Ignore and disable safety checks -l FILENAME Read bad blocks list from FILENAME -m FILENAME Replace default error message in boot block with contents of FILENAME -M TYPE Set media typein boot sector to TYPE --mbr[=y|n|a] Fill (fake) MBR table with one partition which spans whole disk -n LABEL Set volume name to LABEL (up to 11 characters long) --codepage=N use DOS codepage N to encode label (default: 850) -r COUNT Make room for at least COUNT entries in the root directory -R COUNT Set minimal number of reserved sectors to COUNT -s COUNT Set number of sectors per cluster to COUNT -S SIZE Select a sector size of SIZE (a power of two, at least 512) -v Verbose execution --variant=TYPE Select variant TYPE of filesystem (standard or Atari)
--invariant Use constants for randomly generated or time based values --offset=SECTOR Write the filesystem at a specific sector into the device file. --help Show this help message and exit
五、使用方法
快速上手指南
5.1、PC端下载工具
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git clone http://10.10.10.7/system/app/rtu_server.git cd rtu_server/misc_tools/dostools/__install
scp -r __install root@192.168.0.224:/
5.2、板端更新文件
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cd / cd __install/ chmod -R 777 sbin/ cp sbin/* /usr/sbin/
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