FreeBSD vs. IBM AIX

FreeBSD is the closest to a UNIX style operating system. This has been extensively used by vendors in the field of routing, switch and security as their base operating system. This speaks for itself being a reliable, scalable and secure operating system.

Incentivized

IBM AIX is a very powerful and extremely stable operating environment. It is well suited for applications that are business critical and cannot tolerate outages. It is best used to address large enterprise level application needs where stability and scalability are of paramount importance. IBM AIX is less useful for small enterprises.

Incentivized

• stability
• security
• scalability

Incentivized

• IBM AIX is a very stable server product, and I can't recall a time when the server has crashed due to a hardware fault.
• If you have legacy software that can't run on the new-fangled Linux flavors, AIX might be the way to go.
• AIX has a host of built-in management tools that makes system configuration easy for a novice.

Incentivized

• Installation can be tricky for first timers
• You need to be comfortable using a command line terminal most of the time

Incentivized

• While there are options to install some standard Linux tools like Bash, they are not always easy to procure
• Allowing easier flexibility in how some tools and CLI options work would make it easier for admins to float between operating systems.

Incentivized

AIX is robust, helps the systems administrator, is built to prevent easily made mistakes. If you are used to other variants of Unix (in particularly Linux) there is no steep learning curve to get started with AIX. You need to learn the intricacies of the operating system, but that is true for any new operating system. AIX has built-in tools for almost anything you want and has the AIX Toolbox (on the web) for tools that are not included with AIX by default, but can be installed. Installation of AIX is modular, you can select with components and features you want to have installed. Installation of additional components (and usually also removal of installed components) is easy and straight-forward.

There is lots of documentation out there for AIX. On the times I've had to address a hardware issue, IBM's support has been great.

Incentivized

FreeBSD was the only operating system out of many I tried to install easily on older hardware and to run in a very performant way. For example, I had a lot of trouble trying to get Ubuntu to install on older hardware and when it did, it was too slow to use. FreeBSD installed quite easily and even after installing a desktop such as XFCE - it still run surprisingly fast. I was very impressed with it's performance, which it seems is a goal of the FreeBSD project.

Incentivized

Compared to other Unix-like operating systems, IBM AIX is the one with a solid roadmap into the future and is likely to stay around for a long time (it is over 30 years old and still being updated with new features and components all the time). Compared to many Linux variants, the AIX operating system is more robust, easier to manage and well-supported by its vendor.

• As FreeBSD is free - the ROI is at least the cost of some commercial Linux or Windows based OS (which can be very expensive)
• Allowed the re-use of older hardware that would have otherwise been disposed
• No cost development environment
• Opportunity for a no cost server setup also

Incentivized

• IBM AIX is more expensive but its worth to have it for the features its embedded with
• It's not suited for small customers because of the hardware cost as the ROI will be less for smaller customers.
• IBM AIX is well suited for companies who has more customers so that ROI doesn't impact.