| WPS | Windows Printing System |
| CUPS | Common UNIX Printing System |
| BSD | Berkeley Software/System Design/Distribution [engl.] |
| RWP | RIP While Printing |
| bnet | Berkeley NETworking [engl.] |
| UCB | University of California at Berkeley, USA |
| BAM | Berkeley Abstract Machine [engl.] |
| BPF | Berkeley Packet Filter [engl.] |
| BSD | Berkeley Software Distribution [engl.] |
| BQS | Berkeley Quality Software [engl.] |
| DPA | Document Printing Application |
| BPP | Basic Printing Profile |
| VPT | Virtual Printing Technology |
| POD | Print / Printing On Demand |
| LFP | Large Format Printing |
| GPO | Government Printing Office |
| IPP | Internet Printing Protocol |
| BSDI | Berkeley Software Design Incorporated [engl.] Amerikanisches Software-Unternehmen |
| BIMA | Berkeley-Illinois-Maryland Array [engl.] Radioteleskop |
| BMUG | Berkeley Macintosh User Club [engl.] Amerikanische Universitäts-Benutzergruppe von Macintosh-Computern |
| BMRC | Berkeley Multimedia Research Center [engl.] Institut der Universität Berkeley, http://bmrc.berkeley.edu |
| CSRG | Computer Systems Research Group [Berkeley] |
| NPA | Network Printer/Printing Alliance |
| NPAP | Network Printing Alliance Protocol |
| NDPS | Netware Distributed Printing Services |
| RPDFP | Remote Physical Device Finger Printing |
| V4FSL | System V Release 4 File System Layout |
| FSS | Fast System Switch [System V] |
| ES-IS | End System to Intermediate System Protocol [OSI] |
| ISIS | Intermediate System to Intermediate System Protocol [OSI] |
| HBS | Home Bus System |
| QMS | Qualitätsmanagement-System |
| SMB | System Management Bus |
| SOC | System On a Chip |
| JES | Job Entry System |
| SVR4 | System V Release 4 |
| JCS | Job Control System |
| SP | System Program |
| JMS | Job Management System |
| PS | Personal System [IBM] |
| MES | Mobile End System |
| FS | File System |
| FS | Floppy System |
| SS7 | Signalling System No. 7 |
| KES | Key Escrow System |
| VBFS | Very Big File System |
| MSS | MAN Switching System |
| RS | RISC System |
| OS | Operating System |
| IS-IS | Intermediate System to Intermediate System |