Complex sentence: This terminology itself is becoming a misnomer, as Intel has lost absolute control over the direction of x86 hardware development with AMD's AMD64, and non-Windows operating systems like Mac OS X and Linux have established a presence on the x86 architecture.
Split into simpler sentences: This terminology itself is becoming a misnomer, as Intel has lost absolute control over the direction of x86 hardware development with AMD's AMD64. Also, non-Windows operating systems like Mac OS X and Linux have established a presence on the x86 architecture.