The script esp.csh may be used to set links between your current directory and the directory
containing the ESP code, defined by variable ESP_DIR. If you find that the variable ESP_DIR has not
been set, consult your system manager or insert the appropriate value into your ~/.login
file.
On Starlink systems this can usually be abbreviated
ESP may also be run from ICL. To load the ESP command set, enter ICL type the following: