notes_on_linux_package_management: Details

notes_on_linux_package_management.markdown

@@ -6,11 +6,11 @@ The version number of a package contains several valuable pieces of information
 
 Example: 2:3.6.19-1~bpo70+1
 
-  * 2: = epoch, provided to allow mistakes in the previous package numbers to be left behind.
-  * 3.6.19 = major.minor.micro version number of the package upstream
-  * -1 = Debian revision to allow multiple packages of the same upstream version
-  * ~bpo70 = backported to Debian 7.0 aka Squeeze
-  * +1 =
+  * 2: = epoch, provided to allow mistakes in the previous package numbers to be left behind. (dpkg-/apt-specific)
+  * 3.6.19 = Upstream software version (often major.minor.micro version number
+  * -1 = Debian revision to allow multiple packages of the same upstream version, increments if only the packaging has changed between two package releases.
+  * ~bpo70 = bpo = backported, 70 = to Debian 7.0 aka Wheezy
+  * +1 = Backport revision, increments if only the backport packaging has changed between two backport package  releases.
 
 ===== Package pinning =====