fallocate: add page (tldr-pages#2089)

lamar-frankie · Jun 4, 2018 · 0d6e564 · 0d6e564
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diff --git a/pages/linux/fallocate.md b/pages/linux/fallocate.md
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+# fallocate 
+
+> Reserve or deallocate disk space to files.
+> The utility allocates space without zeroing.
+
+- Reserve a file taking up 700MB of disk space:
+
+`fallocate --length {{700M}} {{path/to/file}}`
+
+- Shrink an already allocated file by 200MB:
+
+`fallocate --collapse-range --length {{200M}} {{path/to/file}}`
+
+- Shrink 20MB of space after 100MB in a file:
+
+`fallocate --collapse-range --offset {{100M}} --length {{20M}} {{path/to/file}}`