This is task.json for tailing logs

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "SFDX: Tail Logs",
            "type": "shell",
            "command": "sfdx",
            "args": [
                "force:apex:log:tail",
                "-c",
                ">",
                "output.text"
            ],
            "group": "build",
            "presentation": {
                "reveal": "always",
                "panel": "shared"
            },
            "problemMatcher": []
        }
    ]
}