On 25/8/2023 2:05 am, Jon Perryman wrote:
> On Thursday, August 24, 2023 at 10:46:49 AM PDT, Steve Beaver wrote:
I'm thinking that a small group of people write a SPC-for linux/unix.
I'm guessing that SPC is Systems Programming C.
He's referring to SPF/PC, an ISPF clone for Windows that is no longer
supported.
Unix currently doesn't need SPC because it doesn't have built-in robust
features like z/OS.
What? Linux doesn't need Systems Programming C because you use the same
compiler for kernel modules and userspace programs. z/OS is the odd one
in that language environment isn't suitable for systems programming. So
we need Metal/C which superceeded SPC years ago.
When you consider that the internet runs mostly on Linux servers and
that Linux is also used as an embedded OS for routers and other devices
I would suggest it's reasonably robust. Where I work we tend to have to
IPL our z/OS LPARs a lot more often then booting on Linux VMs.
For instance, you don't have exit points in the kernel that give you access to
the system.
Hooking the kernel using ftrace is trivial. There are libraries for it.
Only the kernel developers need to know the restrictions. For instance, when a
load is not permitted. SPC was developed specifically for z/OS with
considerations for restrictions you may encounter.
On Thursday, August 24, 2023 at 10:46:49 AM PDT, Steve Beaver
<[email protected]> wrote:
I have had a happy because of the discussion if VI and emacs.
I'm thinking that a small group of people write a SPC-for linux/unix. Now
I will be the first to say I don't know C, C++, C .net or any of those
languages
But I sure can test the product as it begins ALPHA testing
Steve
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