This page is about Yahyaball's mods and concepts about the system OS/2, for the other interpretations, see PB/2 (disambiguation).
PB/2 is a series of systems that are based on IBM OS/2. It was developed by both PBM and Progressbar.
| System | Real-life counterpart | Release year |
|---|---|---|
| PB/2 1.0 | OS/2 1.0 | 1987 |
| PB/2 1.1 | OS/2 1.1 | 1988 |
| PB/2 1.2 | OS/2 1.2 | 1989 |
| PB/2 1.3 | OS/2 1.3 | 1990 |
| PB/2 2.0 | OS/2 2.0 | 1992 |
| PB/2 2.0.1 | OS/2 2.00.1 | 1992 |
| PB/2 2.1 | OS/2 2.1 | 1993 |
| PB/2 2.11 | OS/2 2.11 | 1994 |
| PB/2 Warm 3 | OS/2 Warp 3 | 1994 |
| PB/2 Warm 4 | OS/2 Warp 4 | 1996 |
| PB/2 Warm Servant | OS/2 Warp Server for e-Business | 1999 |
| PB/2 Warm 4.51 | OS/2 Warp 4.51 | 2000 |
| PB/2 Warm 4.52 | OS/2 Warp 4.52 | 2001 |
| Post-PBM Era (Unofficial successors) | ||
| sRetStation 1 | eComStation 1.2 | 2003 |
| sRetStation 2 | eComStation 2.1 | 2011 |
| SepultOS 5 | ArcaOS 5.0 | 2017 |
Full OS Navbox
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Client systems |  • ProgressbarOS •  • BarOS •  PB/2 (FrankARG • Ractangle) •  Barku • PINPB/Progressnix (CLIP159Modding) •  ProgressCollecter • PSD
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| Retro |  8-BIT •  GUI/2(?)
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| PC/BC |  B OS •  ViCiGReSS •  PBX (AIX)
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| Pbix/Progressnix (Community) |  Phambuntu • PBora •  CloseFUSE
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| Custom |  Skyfox OS •  NTVBar •  Desk GUI • unsignedOS •  kOS •  EnderArlo DOS Shell •  TaitaOS
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| C/S |  kpOS
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| Systems based on a fictional OS | HypnOS • Gopier •  BarplayOS • PethOS 1.0
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| Server systems |  Progressbar Server • BarOS Server •  Vixier • PB/2 Server • PBX (AIX)
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| Custom | Skyfox OS Datacenter •  NTVBar serTVer
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| Mobile systems | Retro |  Progressbar Mobile •  Rada OS •  Spacebar (Setapdede •  Jinjeon) •  Article •  Makuro
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| Modern |  PBdroid •  pOS
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| Custom | Skyfox Mobile OS
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| CLIP159Modding's version |
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| Console systems | Playbar • Xbar •  Xhega (AX22) • Nanica • Pabari •  3MO System (M2) •  Apo •  Polardine Console
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| TV systems | PBDroid TV • VidOS •  Polar corp. •  Nalapol BISC •  Mivix
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| Names in italic exist in the actual game. | |||||||||||||||||||||||||||||
