Resize splits more quickly

You can use the :resize command or its shortcut :res to change the height of the window. To change the height to 60 rows, use:

:resize 60

You can also change the height in increments. To change the height by increments of 5, use:

:res +5
:res -5

You can use :vertical resize to change the width of the current window. To change the width to 80 columns, use:

:vertical resize 80

You can also change the width in increments. To change the width by increments of 5, use:

:vertical resize +5
:vertical resize -5