Update cheatsheets

stty

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# stty
+
+> Set options for a terminal device interface.
+> More information: <https://www.gnu.org/software/coreutils/stty>.
+
+- Display all settings for the current terminal:
+
+`stty --all`
+
+- Set the number of rows or columns:
+
+`stty {{rows|cols}} {{count}}`
+
+- Get the actual transfer speed of a device:
+
+`stty --file {{path/to/device_file}} speed`
+
+- Reset all modes to reasonable values for the current terminal:
+
+`stty sane`