'''Fedora''' is a [Linux] distribution that offers current packages and has a bi-annual release schedule. [RedHat] Enterprise Linux is derived from it. As of 2015-01 it is at version 21 in whose repositories the following versions of Tcl packages can be found: 

   * Tcl 8.6.3
   * [Tcllib] 1.15
   * [Jim Tcl] 0.75

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