1. Scheme Object System.

2. An infamously losing text editor. Once, back in the 1960s, when a text editor was needed for the PDP-6, a hacker crufted together a quick-and-dirty "stopgap editor" to be used until a better one was written. Unfortunately, the old one was never really discarded when new ones (in particular, TECO) came along. SOS is a descendant ("Son of Stopgap") of that editor, and many PDP-10 users gained the dubious pleasure of its acquaintance. Since then other programs similar in style to SOS have been written, notably the early font editor BILOS /bye'lohs/, the Brother-In-Law Of Stopgap (the alternate expansion "Bastard Issue, Loins of Stopgap" has been proposed).

3. The PDP-10 instruction to decrease a value. Oppose AOS.

(01 Jul 2002)

sorting out, S Orton, sorus, sory < Prev | Next > sos, SOS genes, SOS repair

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Guanine nucleotide releasing factor (155 kD), the mammalian homologue of son of sevenless. The proline rich region of sos binds to the SH3 domain of GRB2. Has homology with CDC 25, the yeast GTP releasing factor for ras.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)

sorting out, S Orton, sorus, sory, SOS < Prev | Next > SOS genes, SOS repair, sos response (genetics)

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