Original sentence: ALSA was added starting with 2.5, and in those versions, Linux kernel authors marked OSS as deprecated.While some recommend the ALSA interface for software that is intended to work on modern Linux only, software intended to be portable across Unices typically uses OSS instead
Edited sentence: ALSA is also available separately to add to later 2.2 and 2.4 official Linux kernels.ALSA was added starting with 2.5, and in those versions, Linux kernel authors deprecate OSS.While ALSA is the recommended interface for software that is intended to work on modern Linux only, software intended to be portable across Unices typically uses OSS instead