Update cheatsheets

tldr/dos/cd

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, dos]
+source: https://github.com/tldr-pages/tldr.git
+---
+# CD
+
+> Change the current working directory.
+> More information: <https://www.gnu.org/software/bash/manual/bash.html#index-cd>.
+
+- Go to the specified directory:
+
+`CD {{PATH\TO\DIRECTORY}}`
+
+- Go up to the parent of the current directory:
+
+`CD ..`
+
+- Go to the root directory of the current drive:
+
+`CD \`