To find out how many revisions (revisions go from 1 to N where N is an integer greater than 0) of a file/path are in a channel, issue the following command:

 rhncfg-manager revisions channel-label /tmp/dest_path/example-config.txt 

The output resembles the following:

 Analyzing files in config channel example-channel \ /tmp/dest_path/example-config.txt: 1