| .Device | .Machine | memory.limit |
| memory.size | mode | object.size |
| options | str | typeof |
| dump | load | loadhistory |
| save | savehistory | save.image |
| source |
| dir | dir.create | file.append |
| file.copy | file.edit | file.info |
| file.rename | getwd | list.files |
| setwd |
| download.packages | install.packages | library |
| require | search |
Common options:
| distdir | file.edit | lib.loc |