R: (Not) interrupting background tasks with Ctrl+C

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When using R interactively from the command line, one can interrupt the current computionation using Ctrl+C key combination and enter a new command. This works both on Unix terminal and on Windows console in Rterm. Such computation may be implemented in R or C and may be executing an external command while waiting for the result e.g. via system(,wait=TRUE).
However, in R 4.3 and earlier, Ctrl+C interrupts also background tasks, e.

Get the full details here: (Not) interrupting background tasks with Ctrl+C - The R Blog