This type of content is what will keep Level1Tech going for a long, long time. Thanks! Also: big ups to whoever filmed and edited this, VERY nice quality and presentation.

Mainframes on level1techs, this is a dream come true.

This was awesome. I love interviews with older, "hardened", shall I say, tech folks. What a great guest. More like this please!

Wendell, as an old mainframe guy I appreciate that you had Jay on as a guest. What Jay didn't mention is that if if you run MVS and/or VM and understand how it works, your aren't far from understanding how mainframes work today. Please invite Jay back again for a deeper look into this subject.

The epic crossover we didn't know was possible. P.S. Please invite this man for future collabs.

Wendell has come back from the future to teach Wendell some mainframe tricks to save the world.

Awe man, I worked at a Ministry of Natural Resources for a hardware update, updating old IBMs to Dell PCs and the amount of old mechanical keyboards that we trashed for the free Dell ones...made me wonder why at the time...now makes me really mad. There was only 1 person in the building that didn't want to change keyboards and man did he ever make the right decision.

I remembered a while back you (Wendell) met some cool guy in some event and said, this mainframe guy was the smartest dude you have met. Glad you got him to be here and spill some knowledge. Great interview!

I only just stopped using Mainframe after 16 years in 2021. Have to say I actually miss it. This is cool.

Oh gosh I didn't know what was "The Tron Guy". Now I cannot remember him but for that. I love that movie BTW

Once upon a time, I had an entire VAX-8800 Cluster (with about 50 disk-drives) as my own personal computer, since I was its only user, blasting away on ballistic missile defense (SDI Program) simulations programmed in both VAX-C, VAX-Pascal, and FORTRAN77! You could hear the drive heads thunking every time the program wrote out 1 time step, with 95% CPU utilization. Fun times indeed. P.S.: great breakdown on the Raspberry-Pi/Hercules!

The PDP8 was the 1st multi-tasking computer & I used to program the boot-load the PDP8 from my owe memory just before morning coffee (!Coast Guard Rules!).

Such an great guest! Love his calm demeanor.

Thanks a lot! :( I'm going to have nightmares of the early '80's, when I was an operator on a 370, processing 10's of thousands of punched cards per night for a knitting mill. The punch/reader literally had core memory, and the repair tech pulled out one of the boards, so I could see it. We were one of 3? remaining card users in the US at that time. Shockingly archaic even then. The 1600 bpi mag tape could be read by eye, when applying magnetic fluid. It took about 10 minutes to power up the dozen or so disk towers, with disks some 2.5 feet across. We had a very expensive and fancy orange plasma display, with four terminals displayed at once. We mounted 60-100 batch tapes per night, and had to clean the tape drives several times during the night. Used a razor tape scraper to cut off the loosened oxide.

What a legendary project I never knew about. Mind, blown. Thanks!

Man - this brings back stuff I have kinda forgotten. In my very youthful know nothing days (not much has changed), I was an operator on S/36 S/38 and went on to AS/400 ops. That's now I series.. I only remember the old stuff as limited, awkward - but I knew very little at the time..

I'm in my middle 40s. Working in the hospital data center from 2000 to 2010 in the Chicago burbs. Brought back some good memories - Thanks!!!

I've worked with S/390 and AS400 for 15-16 years, love it.

Level1Tech: Please more of this. I loved it. How about something similar on vintage UNIX´s and all of it´s dramatic history and versions? That and something on OpenBSD please.

my first IT job was a IBM mainframe Operator, what a great trip down memory lane. THANK YOU

I didn’t have my glasses on and for a moment I thought Ryan achieved time travel

This took me back to earlier in my career. Back in the 80's I remember a colleague telling me that some day a mainframe would fit on my desk. It would have been just a laugh to imagine it fitting in a keyboard.

As new blood in mainframe I love those kind of videos. It informs people that we are still kicking around. Vast majority of banking systems run still on z/OS, and someone needs to maintain/upgrade it :)

When a computer janitor and a Mainframe janitor meet, you're bound to hear some amazing stories!

Even as a superficial GUI user I found this positively educational 👍

Possibly my favorite piece of content you’ve ever made. Well done

What a treat! Thank you so much both L1T and Jay for sharing your experience and a glimpse to the past! It's really great to see how much current UNIX-like interfaces still builds on the older mainframes.

Very cool guest, talk, and demonstration/exploration. Love it

I used to think I knew a bit about computers and systems. Then I watch this channel and realize just how much deeper this vast ocean is. I'm still treading water in the Marianas trench. Its like staring into the abyss.

Wholesome nerds talking about their passion. Truly enjoyable.

Fascinating watch! Thanks!

My first work computer was an IBM 370/148, which we later upgraded to an IBM 4341 (1979-1981). In college we had an IBM 370/158 with 2MB of RAM running first VM/370 R6 and later VM/BSEPP (1977-1979 at The Ohio University).

Jay, nice presentation! That brings back nice memories. You haven't aged a bit!! ;-)

Just keep learning and enjoy it. That’s the way to be productive and most importantly love your job.

Amazing to see such a cool interview, such a cool guy.

all these things were there before i am born, but still I watched it and enjoy it. even thu I had to google bunch of things to understand

I love the videos in general but I especially love having these sort of features. Please bring back Ed from Sapphire when you can and of course Mr. Maynard.

Awesome committing this knowledge and history to a resilient and accessible platform

Now I want to get a large keyboard and put a Raspberry Pi inside. Thanks Jay and Wendell! It's always fun to take a little dive into computer history.

Oh Wow! Such a cool episode! More like this please!

Hey there are young people here! Dozens of us! But really though, this type of content is super cool

Awesome. This is super cool. Thanks for sharing this. I've been around since my uni had vaxes and you went to the loud line printer to get your listings.

More like this please and thank you!

what a lovely treat

Amazing, I was talking to a fried of a friend who installed IBM System/370 this evening

This is Amazing! I have to go back and set up some nice code. Thank you!

This was super interesting, I had to do stuff on 3270 4/5 years ago, banks still use it.

This interview was fascinating.

never knew the Tron Guy had this project, cool stuff

This is one of the best videos ever.

That was fun. Thanks 😀

One of the world's greatest nerds!

Super interesting DIY machine and showcase. A+

Hercules Code is likened to H8622 ; 7345H in a Place turned UPside down, then right side UP like a keyBOARD spinning around.

Great Video, best in class.

I really enjoyed your interview with Jay, the Mainframe transactional database and it's resilience to process many transactions, is not going away any time soon. This is why many big corporations including the government use mainframes, like IBM IOS . You just need some connectors to bridge the gap.

As only a user under an IBM programing master. I can see the value of this kind of device. I know the episode is much more than just the hardware. I think a FANCY A$$ setup like that would make any IBM super user ( Mind above all) "Just someone who knows exactly how IBM Green screens functions." TO give the a beautiful gift like that. (I want one; to gift to just the right person who I I admire.)

I'm not on the older side. Just finished high school and am hoping to end up as a Cobol programmer!

Security was important at my college because they had government contracts on the Burroughs 6700 and the student records of course.

More history stuff like this pls

This channel needs more subs.

I loved the teletype as it gave a paper printout ..

Jay Maynard is Master Controller great interview

we had a 360 at my jc in bradenton fl 1974

man I wish there would be more mainframe stuff on youtube... I work in mainframe OPs for little over 2 years, I'm just learning REXX, still getting to know lot of things (I feel confident with JCL, but there's lot of stuff that I want to learn that is specific to our site and similar, like Tivoli automation, netview stuff, TWS (especially TWS WAPL)...) at work, I have access to ZPDT, so I can test lot of stuff in safe environment and I wish it would be more accessible, it's just so much better than hercules and tk 4- (hercules is great, but tk4- unfortunately isn't, because IBM doesn't allow it to be) oh yeah, I'm in my 20s and I love this stuff also, I never touched cobol (I'm in back-end of back-end)

Holy shit, this is pretty awesome!

You should make a dedicated channel to interview all these old guys 🙏

I'm still a pc enthusiast newbie, but I love this kinda content!

I have no idea what you guys are talking about. Just happy to be here.

"Those are the blinking lights!" *screen isn't moving* o_O Ahhhh... I love watching people talk about their passions, even if I have zero idea what is happening.

Amazing! A slice of the past!

the pdp-11 was still in production in 1995 lol (ended in 1997) tho the later hardware was very different than what you'd picture when someone says pdp-11

He really should use I3 and configure that theme to match the IBM 360 UI, nice work!

Mainframes, if you haven't noticed, still run the world...

Do more mainframe content! 25 in the mainframe world. Love the job.

You are an internet legend, Mr Tron Guy!

This is super cool, I'm a lit nerd but you can't ignore computers now! Wendel should have his own late night show he looks comfy in this position.

The production on this was David Letterman quality. Wendell just needed some cards to throw through the screens behind them!

I hate the modern “sysadmins” that think rebooting it when it panic’s is an appropriate response. Nothing ever gets fixed when reboot it or restart the app is the first and last trouble fixing step.

Looking good in tights and tight with code this man is the full package huh

I think we need "I janitor with the best of them" on a mug or a shirt.

I have used many 3270 presto screens

So great way to shut it down. That is very important. CMS?

Hail the Tron guy

MVS HERCULES IS A GREAT LEARNING TOOL: 80% OF Z/OS(IBM CURRENT OS) USES THE SAME COMMANDS AS 1980 MVS THAT YOU CAN RUN ON HERCULES!!! Hercules MVS runs on any laptop or desk top windows or linux or apple computer. IBM software requires a very steep learning curve!! when I taught IBM mainframe courses in the 1980's and 1990's at colleges. MVS/os was a semester course. (jcl and utilities). c, cobol, rpg, pl1 were all semester courses. Good luck if you want to learn IBM software. YES this is still relevant and used today as Z/os. Moshix mainframe channel(youtube) has 200 videos on mvs. IBM manual are on bitsavers website,

Ironic. I hit the floor in 1981 when my doctor dropped me shortly after birth.

Wendell always has the best book recommendations

this is huge

this should be pretty cool

Moshix ma fajny kanał na ten temat.

Where did you get that diet Orange Crush?? Here in SC, its disappeared from the shelves!

COBOL is alive and well.

Should I feel old being born in 1995..? Or... _engagement_

No, he's not who he reminds me of, which is the guy from the "Cocoon" movie (Wilford Brimley). I know this because the movie's nearly 40 years old, so he ain't gonna look like that anymore (I just checked and he died last year).

3:57 "Dusty Old Cobalt" . . . You can make $150 p/hr today maintaining old Cobalt code.

Man I thought it was Tom Smykowski in the thumbnail

Does he have social media?

😂cookbooks, those were the days

"Ah yes tight fast code in serverless systems is so important," I say while I deploy another Node Lambda

Lol. I hate emojis! They did bring down a file rename script I wrote