Similar to 第133飛行隊_(イスラエル空軍)

Pardus (operating system)

PCLinuxOS

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Peppermint OS

Plotutils

Pop! OS

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PrimoPDF

PSPP

Pea coat

Q4OS

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R4

R9

Raspberry Pi OS

Red Hat Enterprise Linux

Red Hat Enterprise Linux derivatives

Red Star OS

Remix OS

Return-oriented programming

RSA (cryptosystem)

Sabayon Linux

Salix OS

Safe and Secure Innovation for Frontier Artificial Intelligence Models Act

SCO–Linux disputes

Single instruction, multiple data

SL-164