# For ASCII on one full screen
#set term dumb `tput cols` `tput lines`*9/10

# If you have gnuplot 6.0 and are using Deja Vu font, then...
#set term block braille size `tput cols`,`tput lines`*9/10

# For a PNG file.
set term png size 900,400; set output 'AirPassengers.png'

set timefmt '%Y-%m'
set xdata time
set format x '%Y'
set key autotitle columnhead  # use the first line for titles in legend
set xlabel 'Year'             # except for X, where we show Year not Month
set datafile sep ','

# You can use: lines, points, linespoints
plot 'AirPassengers.csv' using 1:2 with lines