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Creating a new filesystem within a file

/ Published in: Bash
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Basic file system manipulation in Linux (some commands require sudo).

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  1. dd if=/dev/zero of=myfsys bs=512M count=1 # creating a 512M zeros file
  2. mke2fs myfilesys # creating a file system out of the file
  3.  
  4. mount myfilesys /mnt -o loop=/dev/loop0 # mounting it as a loop device
  5.  
  6. mkdir /mnt/point1 # creating a mount point
  7. mount /dev/loop0 /mnt/point1 # mounting 
  8.  
  9. df /mnt/point1/ # its alive!
  10.  
  11. # results with:
  12. # Filesystem           1K-blocks      Used Available Use% Mounted on
  13. # /dev/loop0              516040       400    489428   1% /mnt/point1

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