at コマンド MacOS で at コマンドを有効化して使ってみる 手順: /System/Library/LaunchDaemons/com.apple.atrun.plist で、Disabled を false に変更 /System/Library/LaunchDaemons/com.apple.atrun.plist を再ロード 1 2 3 4 % sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.atrun.plist /System/Library/LaunchDaemons/com.apple.atrun.plist: service already loaded Load failed: 37: Operation already in progress