welcome to the forum,
most users use systemd. many examples of that in the docs, forum and wiki.
https://rclone.org/commands/rclone_mount/#systemd
https://forum.rclone.org/t/rc-in-rclone-systemd-mount-helper-script/27256
https://github.com/rclone/rclone/wiki/rclone-mount-helper-script