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Frequent Question: How Do I Create a Block Device in Linux?

James H. Sterling • • 3 min read
Frequent Question: How Do I Create a Block Device in Linux?
Contents

How do you create a block device?

If you want remove the new filesystem, use the following steps:

  1. Umount and delete the directory /loopfs. umount /loopfs rmdir /loopfs.
  2. Delete the loopback device “loop0” created using the “losetup -d” command. # losetup -d /dev/loop0.
  3. Finally remove the file “/root/loopbackfile. img” used to create the loop device.

What is block device in Linux?

Block devices are characterized by random access to data organized in fixed-size blocks. Examples of such devices are hard drives, CD-ROM drives, RAM disks, etc. … To simplify work with block devices, the Linux kernel provides an entire subsystem called the block I/O (or block layer) subsystem.

James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.