update systemd-boot

technology/linux/systemd/systemd-boot.md

@@ -10,16 +10,29 @@ systemd-boot is a simple UEFI boot manager which executes configured EFI images.
 It is simple to configure but can only start EFI executables such as the [Linux](../Linux.md) kernel EFISTUB, UEFI shell, GRUB, or the [Windows](../../windows/Windows.md) Boot Manager.
 
 ## Install
-Install:
+**Install**:
 ```shell
-bootctl install
+bootctl install [--esp-path=PATH]
 ```
 
-Update:
+**Update**:
 ```shell
 bootctl update
 ```
 
+**Update seed file:**
+```shell
+bootctl random-seed
+```
+
+**See status:**
+```shell
+bootctl status
+
+# List entries
+bootctl list
+```
+
 ## Configuration
 The loader configuration is stored in the file `_esp_/loader/loader.conf`.