Why doesn't R GUI support keyboard shortcut XYZ ?.Why are there faint lines in image plots?.I don't see a thing when installing packages!.Which BLAS is used and how can it be changed?.I see spurious error messages when starting R!.How can I interrupt lengthy operations or output?.What happens if I drag a file on the R icon?.Which kind of packages can I install using the GUI?.The current and startup working directories.How can R for macOS be obtained and installed?.Next: Introduction, Previous: (dir), Up: (dir) R for macOS FAQ Frequently Asked Questions on R for macOS Version 4.1.2, R.app 1.77 Stefano M.