Update cheatsheets

tldr/linux/print.runmailcap

@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# print
+
+> An alias to a `run-mailcap`'s action print.
+> Originally `run-mailcap` is used to process mime-type/file.
+> More information: <https://manned.org/print>.
+
+- Print action can be used to print any file on default run-mailcap tool:
+
+`print {{filename}}`
+
+- With `run-mailcap`:
+
+`run-mailcap --action=print {{filename}}`