npm list -g --depth=0
+-- angular-cli@1.0.0-beta.22-1
+-- bower@1.8.0
+-- generator-aspnet@0.2.5
+-- generator-code@1.1.5
+-- grunt-cli@1.2.0
+-- gulp@3.9.1
+-- jspm@0.16.45
+-- npm@4.0.5
+-- typescript@2.1.4
+-- typings@1.3.3
+-- webpack@1.14.0
`-- yo@1.8.5
To find out which packages need to be updated, you can use npm outdated -g --depth=0
To update all global packages, you can use npm update -g