Paup 4 Beta 4a To start Paup 4 Beta 4 on the zisgi you just have to type > paup4b4a on the command line. Sample Nexus files are in: /usr/local/biocomputing/Sample-NEXUS-files/ The following Sample-NEXUS-files are available: angiosperms.nex avian-ovomucoids.nex primate-mtDNA-interleaved.nex primate-mtDNA.nex Documentation: Paup Home Page README Release-Notes Paup 4b1 PDF Documentation