红帽全球峰会1.3. 单元文件结构
单元文件通常由三个以下部分组成：
[Unit]部分- 包含不依赖于单元类型的通用选项。这些选项提供了单元描述，指定了单元的行为，并设置了其他单元的依赖项。
有关最常用的 [Unit] 选项的列表，请参阅 重要 [单元] 部分选项。
[Unit type]部分-
包含特定于类型的指令，这些指令分组在以单元类型命名的部分下。例如，服务单元文件包含
[Service]部分。 [Install]部分-
包含有关
systemctl enable和disable命令使用的单元安装的信息。有关[Install]部分的选项列表，请参阅 重要 [Install] 部分选项。
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