Suggestions for Online Help authoring tool for UNIX platforms

[Laura Chris]

Hi All,

I am working as a Technical writer for a product based
company. I have to update an Online Help which is in
*.hlp format. This is for a UNIX platform. These help
files have not been updated in ages and the source
files are in *.rtf formats.

I am looking at tools available to generate a .hlp
format of online help for a UNIX platform. I have
heard about Hyperhelp, just wanted to know if there is
any other option available other than Hyperhelp.

Alternatively, I am also exploring the possibility of
generating a *.hlp help file in Windows and then make
it possible to open and view it from a UNIX platform?
I do not have the option of changing the help file
format :-(

Can anyone suggest tools or ways to generate a *.hlp
format on online help for a UNIX platform? 

Thanks in advance and looking forward for some good
suggestions,

Laura Chris


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