Update cheatsheets

linux/nitch

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# nitch
+
+> A small and incredibly fast system fetch written fully in Nim.
+> More information: <https://github.com/ssleert/nitch>.
+
+- Display system information (hostname, kernel, uptime, etc.):
+
+`nitch`
+
+- Display [h]elp:
+
+`nitch --help`
+
+- Display [v]ersion:
+
+`nitch --version`