At times, the string of style keywords placed after the with modifier in plot commands can grow rather unwieldy in its length. For clarity, frequently used plot styles can be stored as linestyles; despite the name, this is true of styles involving points as well as lines. The syntax for setting a linestyle is:
set linestyle 2 points pointtype 3
where the 2 is the identification number of the linestyle. In a subsequent plot statement, this linestyle can be recalled as follows:
plot sin(x) with linestyle 2