Update cheatsheets

linux/compsize

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# compsize
+
+> Calculate the compression ratio of a set of files on a btrfs filesystem.
+> See also `btrfs filesystem` for recompressing a file by defragmenting it.
+> More information: <https://github.com/kilobyte/compsize>.
+
+- Calculate the current compression ratio for a file or directory:
+
+`sudo compsize {{path/to/file_or_directory}}`
+
+- Don't traverse filesystem boundaries:
+
+`sudo compsize --one-file-system {{path/to/file_or_directory}}`
+
+- Show raw byte counts instead of human-readable sizes:
+
+`sudo compsize --bytes {{path/to/file_or_directory}}`