Controls the amount of output commands produce in the Session window. BRIEF 0 suppresses all normal output from appearing in the Session window. Most commands are affected by BRIEF only when it is set to 0. However, BRIEF affects the amount of output produced by ARIMA, BBDESIGN, CCDESIGN, CLUOBS, CLUVARS, DISCRIMINANT, FACTOR, FFDESIGN, GLM, KMEANS, MIXREG, REGRESS, RLINE, RSREG, SCDESIGN, and SLDESIGN in specific ways. See the individual commands for details.