 
            
        mke2fs:tldr:16e97  
        The command mkfs.ext3 ${-dev-sdb1} is used to create a new ext3 file system on the partition specified by the device /dev/sdb1.
Here is a breakdown of the different components of the command:
- 
mkfs.ext3: This is the command to create an ext3 file system.mkfsstands for "make file system".
- 
${-dev-sdb1}: This is the device parameter that specifies the partition on which the file system should be created./dev/sdb1is the specific device in this case. The${...}syntax is used to refer to the value of a variable, but in this case, it seems to be a typo or an error as there is a-beforedev-sdb1which is unexpected. It should be directly written as/dev/sdb1.
To summarize, the command should be corrected to mkfs.ext3 /dev/sdb1 and it will create an ext3 file system on the partition /dev/sdb1.