diff --git a/cheatsheets/apt-get b/cheatsheets/apt-get
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+# Desc: Allows to update the operating system
+
+# To fetch package list
+apt-get update
+
+# To download and install updates without installing new package.
+apt-get update
+
+# To download and install the updates AND install new necessary packages
+apt-get dist-upgrade
+
+# Full command:
+apt-get update && apt-get dist-upgrade