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mke2fs:tldr:5ad37
The command "mkfs.ext2 ${-dev-sdb1}" is used to create an ext2 file system on a specified device or partition.
Here's a breakdown of each component of the command:
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"mkfs.ext2" invokes the "mkfs" utility with the "ext2" filesystem type. This utility is used to create a file system on a disk or partition.
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"${-dev-sdb1}" represents the device or partition on which the file system will be created. This is typically specified as a device file under the "/dev" directory. In this command, it is referring to a specific device file named "/dev/sdb1". Note that "$" and "{}" are not necessary here and may have been included by mistake.
To summarize, running this command will format the device or partition "/dev/sdb1" with the ext2 file system, effectively erasing any existing data on it and preparing it for use with the ext2 file system.