Give root (and only root) (r) ead and (w) rite permission on the.rhosts file.
为root(只有root)授予对.rhosts文件的读(r)和写(w)许可。
Note: the "r" used in fopen indicates that the file is open for reading only.
注：fopen中使用的“r ”将指示文件以只读方式打开。
'r' (the default) indicates that you want to read data from the file.
'r '(默认值)表示从文件读取数据。
To rebuild a file system, use the -r switch.
要重建一个文件系统，可使用-r 命令行开关。
How to Sample a specific proportion of lines from a big file in r?
如何从R中的大文件的特定比例的线样？
US R&D is responsible for the writing and maintenance of this file.
研发部负责本文的编制和维护；
US R&D is responsible for the writing and maintenance of this file.
研发部负责本文的编制和维护；
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