Update cheatsheets

linux/uname

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# uname
+
+> Uname prints information about the machine and operating system it is run on.
+> More information: <https://www.gnu.org/software/coreutils/manual/html_node/uname-invocation.html>.
+
+- Print all information:
+
+`uname --all`
+
+- Print the current kernel name:
+
+`uname --kernel-name`
+
+- Print the current network node host name:
+
+`uname --nodename`
+
+- Print the current kernel release:
+
+`uname --kernel-release`
+
+- Print the current kernel version:
+
+`uname --kernel-version`
+
+- Print the current machine hardware name:
+
+`uname --machine`
+
+- Print the current processor type:
+
+`uname --processor`
+
+- Print the current operating system name:
+
+`uname --operating-system`