If you use YUM, the process is just like installing the software; however, you can optionally use the update subcommand rather than the install subcommand.

如果您使用YUM，其过程就像是安装软件；但是，您可以选择使用update子命令，而非install子命令。

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Thus, you can probably install the software by typing yum install anacron, apt-get install anacron, or something similar.

因此，通过输入yum install anacron、apt - get install anacron或类似的内容，就可以安装该软件。

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