diff --git a/os/linux/knowledge/bash/Simple-concurrency.sh b/os/linux/knowledge/bash/Simple-concurrency.sh
new file mode 100644
index 0000000..f9084a3
--- /dev/null
+++ b/os/linux/knowledge/bash/Simple-concurrency.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# 并行运行多个命令
+command1 &
+command2 &
+command3 &
+
+# 等待所有后台任务完成
+wait
+
+echo "所有任务执行完毕"