The name of the computer on which After Effects is running.String; read-only.


The name of the operating system on which After Effects is running.NOTE: As of Windows 7, this attribute returns a blank value. Use $.os instead.String; rea


The name of the user currently logged on to the system.String; read-only.


Executes a system command, as if you had typed it on the operating systemメs command line. Returns whatever the system outputs in response to the command, if