For fluent:
You can type the following in command line to open fluent help files.
firefox /nfs/encs/ArchDep/i686.linux24-RHEL3/pkg/fluent-6.3.26/root/Fluent.Inc/gambit2.3.16/help/index.htm &
For Gambit:
You can type the following in command line to open gambit help files.
firefox /nfs/encs/ArchDep/i686.linux24-RHEL3/pkg/fluent-6.3.26/root/gambit2.3.16/help/index.html &