Do you mean just sliding from one note to the other? Or are you referring to sliding with a slide you put on your finger?
For example, usually when a guitar tab requires a slide, it will look like this:
The portions highlighted in yellow are the slide parts, which requires the guitar player to simply slide your finger from one fret to the next without lifting off the strings.
The same technique of sliding notes is applied on an acoustic guitar as well. But I have a feeling you may be referring to some other type of slide.
Please let me know and we'll try and help you out!
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