There are 2 different, let's say, types of switches. One is referred to as a set based switch. You use "set" commands to configure the device. These switches run CatOS. The other is an IOS based switch. These switches run Cisco's IOS code. The command structure is similar to configuring a router. "set" commands are not available on these switches.
The IOS switch basically has the same functionality as the set based switches, vlans, vtp domains, etc but instead of ports you are dealing with interfaces.
The structure of how you enter the command is not always the same. An example would be opening up access to a range of "termination points". An IOS switch, cannot open a range of interfaces, but you can enable a range of ports with set based switches. (I have yet to find the command to do this in a range on an IOS switch, if available please let me know.)
To enable a range of ports (set based) / unshut a range of interfaces (IOS)
set based switch
set port enable 3/1-48
IOS switch - all interfaces are default no shut, but if you administratively shut them for access control and desired to open a range of them at one time you would have to do it individually. (Example from 2950 12.1(6))
You will also notice that the set based switch does not use "configure terminal". Commands are entered at the priveledge level prompt "#" .
This example does not include the RSM (route switch module).
I hope this helps you to start understanding the differences.
One advantage that I have discovered to the set based switches is that you don't have to save your configuration. As soon as you enter the command it's saved. Funny how seldom it's mentioned. I spent a while look for the write mem or save run start type command :)
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