Folks

I use "yum list installed" to determine if a package has been installed. In particular, I was interested in the "man" program, installed with the command "yum install man".

In Centos6, if I look at the results, I see that "man" was installed. This is good. In Centos7, if I look at the results, I see that "man-db" was installed. This is inconsistent.

The result is that the generic algorithm:

  if I want package X , check the "yum list installed" output.
  If X is not listed, install it, otherwise assume it's already installed.

Is there a reason for this inconsistency? The above algorithm works with most other packages.

David

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