terminator/layout-files-examples/3-tabs-3-columns.json

{
	"vertical": false,
	"tab1": [
		{
			"command": "bash"
		},
		{
			"command": "bash"
		},
		{
			"command": "bash"
		}
	],
	"tab2": [
		{
			"command": "bash"
		},
		{
			"command": "bash"
		},
		{
			"command": "bash"
		}
	],
	"tab3": [
		{
			"command": "bash"
		},
		{
			"command": "bash"
		},
		{
			"command": "bash"
		}
	]
}