Search notes:

!SASROOT/sas

The SAS command line executable. It might be a symbolic link to !SASROOT/bin/sas_<lang>.

Starting SAS in interactive line mode

$ sas -nodms

$ sas -nodmsexp

Such a session is later ended with either endsas; or ctrl-d.

With x, a shell command can be executed:

23? x ls -l;
24? time;

Another alternative is using %sysexec.