Using tune2fs to maintain disks and free up space - HOW TO & FAQ Guides - Neowin
Linux tune2fs command With Examples - GeeksforGeeks
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How to create a partition using fdisk (man fdisk) in Linux.
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Run the df command on a Linux instance to check that the disk capacity is not consistent with the purchased capacity - - Alibaba Cloud Documentation Center
How to find the blocksize of an ext2/ext3/ext4 filesystem on Linux from the Command Line - YouTube