Today one of my colleagues asked whether he could select an object and select all other objects on the same layer or by type without using quick select (QSELECT).
I found on another Blog some interesting selection methods, however as this was published in 2008 some of the features of AutoCAD LT in particular have been updated since.
The one in particular that is now avaiable in AutoCAD LT 2015 is SelectSimilar. This allows you to click on an object and select all items that are similar, whether by layer or by colour etc. SE within the command brings up the settings check box, rather than the usual S.