tasks.json

{
    // comment
    "tasks": [
        {
            "label": "test task",
            "type": "shell",
            "command": "./task",
            "args": [
                "test"
            ],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "windows": {
                "command": "cmd.exe",
                "args": [
                    "/c",
                    "task.bat",
                    "abc"
                ]
            }
        },
        {
            "label": "long running test task",
            "type": "shell",
            "command": "./task-long-running",
            "args": [],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "windows": {
                "command": "cmd.exe",
                "args": [
                    "/c",
                    "task-long-running.bat",
                    "abc"
                ]
            }
        },
        {
            "label": "list all files",
            "type": "shell",
            "command": "ls",
            "args": [
                "-alR",
                "/"
            ],
            "options": {
                "cwd": "${workspaceFolder}"
            },
            "windows": {
                "command": "cmd.exe",
                "args": [
                    "/c",
                    "dir"
                ]
            }
        }
    ]
}