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File Commands
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`r'
     Read the init file (`gnus-init-file', which defaults to `~/.gnus')
     (`gnus-group-read-init-file').

`s'
     Save the `.newsrc.eld' file (and `.newsrc' if wanted)
     (`gnus-group-save-newsrc').  If given a prefix, force saving the
     file(s) whether Gnus thinks it is necessary or not.