1e41f4b71Sopenharmony_ci# sync 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 命令功能 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_cisync命令用于同步缓存数据（文件系统的数据）到sd卡。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci## 命令格式 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_cisync 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci## 参数说明 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci无 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci## 使用指南 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci- sync命令用来刷新缓存，当没有sd卡插入时不进行操作。 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci- 有sd卡插入时缓存信息会同步到sd卡，成功返回时无显示。 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci## 使用实例 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci举例：输入sync，有sd卡时同步到sd卡，无sd卡时不操作。 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci## 输出说明 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci无 34