OS Roundup: Despite the growing popularity of the myriad Linux OS and cloud computing options, HP-UX retains a strong, albeit leaking, presence. Now, with Sun's UNIX ecosystem in turmoil, HP is seizing the day as it packages and sings the virtues of its Big Iron OS.

OS Roundup: Despite the growing popularity of the myriad Linux OS and cloud computing options, HP-UX retains a strong, albeit leaking, presence. Now, with Sun's UNIX ecosystem in turmoil, HP is seizing the day as it packages and sings the virtues of its Big Iron OS.

<b>ServerWatch:</b> "In contrast, IBM and HP, the other two big enterprise UNIX players, have been plodding along steadily, hoping all the while to pick up disaffected Sun customers quicker than they lose their own to Linux implementations."