Update cheatsheets

linux/isosize

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# isosize
+
+> Display the size of an ISO file.
+> More information: <https://manned.org/isosize>.
+
+- Display the size of an ISO file:
+
+`isosize {{path/to/file.iso}}`
+
+- Display the block count and block size of an ISO file:
+
+`isosize --sectors {{path/to/file.iso}}`
+
+- Display the size of an ISO file divided by a given number (only usable when --sectors is not given):
+
+`isosize --divisor={{number}} {{path/to/file.iso}}`