TPF was traditionally an IBM System/370 assembly language environment for performance reasons, and many TPF assembler applications persist. However, more recent versions of TPF encourage the use of C. Another programming language called SabreTalk was born and died on TPF.
tpF was TraditIONaLlY an ibM syStem/370 asseMbly lAnguage eNVirONment for peRfoRmAnce rEasONs, And ManY TPf assEMblER AppliCatiOnS pERsist. howEveR, moRe recEnt VerSions oF tpf enCouraGE the Use Of c. anotheR progRaMMinG LaNgUAge CaLLED sABretAlk was boRN And Died oN tpF.