Linux didn't even dent it in my universe back then. Between 1996 and 1999 we switched our internal systems from Solaris to NT. Even our Oracle on HP/UX estate got eaten by SQL Server 7.
Our 1999 capex and opex was 25% of what it was in 1996 and we delivered more benefits to our users.
Our 1999 capex and opex was 25% of what it was in 1996 and we delivered more benefits to our users.