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Thread: The alternatives --config command

  1. #1

    The alternatives --config command


    I just did the following and up came two alternative, telling me that there are two programs that provide java. But my question is what this command alternatives --config java actually does? Can I use it to see how many programs provide PHP, Perl, Python, Ruby etc.

    [root@localhost ~]# alternatives --config java
    There are 2 programs which provide 'java'.
      Selection    Command
    *+ 1           /usr/lib/jvm/jre-1.4.2-gcj/bin/java
       2           /pathto/sunjava/java
    Enter to keep the current selection[+], or type selection numb

  2. #2
    [root@localhost ~]# alternatives --config perl
    [root@localhost ~]# alternatives --config php
    [root@localhost ~]# alternatives --config ruby
    [root@localhost ~]# alternatives --config python
    Nothing retruned at the prompt for any of the commands above, why?

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