Use the )TABS command on its own to list the current tab positions. Use with a vector of numbers from 1 to 160 to set the logical tab positions for automatic tabbing of input and output. Alternatively, a scalar argument X will set the tab stops every X columns. These must coincide with the physical tab settings on the terminal.
)TABS
ARE NOT SET
)TABS 10 25 60
WERE NOT SET
)TABS
ARE 10 25 60
)TABS 10
WERE 10 25 60
)TABS
ARE 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160
This command is implementation dependent, and generally applies only for versions of APLX which output to a 'dumb' terminal.