# K1.3.2-B I/O Layers
# Background

# Aim

# Outcomes
  *  standard file systems like Ext3, Ext4, XFS, and Btrfs and distributed file systems like Lustre, and BeeGFS
  *  when to use data compression

# Subskills
  * [[skill-tree:k:1:3:2:1:b]]
  * [[skill-tree:k:1:3:2:2:b]]
  * [[skill-tree:k:1:3:2:3:b]]
  * [[skill-tree:k:1:3:2:4:b]]
  * [[skill-tree:k:1:3:2:5:b]]
  * [[skill-tree:k:1:3:2:6:b]]