And st's font size is adjustable at runtime with C-S-Page(Up|Down) (with config.def.h, which you are meant to copy to config.h and recompile if you want to chan

And st's font size is adjustable at runtime with C-S-Page(Up|Down) (with config.def.h, which you are meant to copy to config.h and recompile if you want to change the default font size or font, unless you apply the patches that let you set them with command line flags or Xresources).