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use format
mke2fs [options] [设备名称] [区块数]options and meaning
- -c: Check for corrupt blocks.
- -F: Force mke2fs regardless of the specified device.
- -M: Record the last mounted directory.
- -q: Do not display any information during execution.
- -r: Specifies the version of the ext2 file system to be created.
- -S: Only write superblock and group descriptors without changing inode able inode bitmap and block bitmap.
- -v: Display verbose information while executing.
- -V: Display version information.
- [-b <block size>]: Specifies the block size in bytes.
- [-f <discontinuous segment size>]: Specifies the size of the discontinuous segment in bytes.
- [-i <bytes>]: Specifies the "bytes/inode" ratio.
- [-N <number of inodes>]: Specify the number of inodes to be created.
- [-l <file>]: From the specified file, read the information of the damaged block in the file.
- [-L <label>]: Set the label name of the file system.
- [-m <percentage value>]: The proportion of blocks reserved for administrators, the default is 5%.
- [-R=<number of blocks>]: Set disk array parameters.