1. Query language, close to natural English. 2. User System Language. Bellcore, "Operations Technology Generic Requirements: User System Interface", TR-825. 3. Unix System Laboratories: the software subsidiary of AT&T, responsible for Unix System V and related software.

In addition suitable contents:
[ 2 ] [ = ] [ ag ] [ al ] [ am ] [ an ] [ ar ] [ arc ] [ AT ] [ at ] [ AT&T ] [ B ] [ b ] [ Bell ] [ Bellcore ] [ bo ] [ bs ] [ ch ] [ cl ] [ co ] [ core ] [ du ] [ E ] [ ec ] [ ed ] [ English ] [ er ] [ era ] [ es ] [ fi ] [ file ] [ fo ] [ for ] [ G ] [ ge ] [ gl ] [ gu ] [ gy ] [ h ] [ hn ] [ hr ] [ id ] [ ie ] [ il ] [ io ] [ ir ] [ is ] [ la ] [ language ] [ lc ] [ Lex ] [ li ] [ lose ] [ mo ] [ mod ] [ module ] [ na ] [ ne ] [ ng ] [ ni ] [ no ] [ ns ] [ O ] [ pe ] [ ph ] [ Q ] [ query ] [ rc ] [ re ] [ S ] [ se ] [ sh ] [ si ] [ so ] [ software ] [ st ] [ su ] [ System V ] [ T ] [ th ] [ to ] [ tw ] [ ua ] [ V ]