Historically, -R always meant recursive operation.However, some tools like cp starting using both -r and -R to mean recursive, and I imagine there are many newer tools where the author chose -r for recursive only.Things change over time.
jasoneckert · · focus · HN ↗
However, some tools like cp starting using both -r and -R to mean recursive, and I imagine there are many newer tools where the author chose -r for recursive only.
Things change over time.