What is the PROC GLM procedure in SAS/STAT and what is its syntax?

Question

The PROC GLM suits linear models the usage of the approach of least squares. SAS PROC GLM handles models through touching on one or numerous continuous established variables to one or numerous independent variables. It has statistical methods like regression, evaluation of variance, evaluation of covariance, multivariate evaluation of variance, and partial correlation.

1. PROC GLM dataset;
2. CLASS variables;