add unload as an alias and fixed parent command usage

Signed-off-by: NTharun <rajendrantharun@live.com>

cmd/minikube/cmd/image.go

@@ -33,9 +33,8 @@ import (
 
 // imageCmd represents the image command
 var imageCmd = &cobra.Command{
-	Use:   "image",
-	Short: "Load a local image into minikube",
-	Long:  "Load a local image into minikube",
+	Use:   "image COMMAND",
+	Short: "Manage images",
 }
 
 var (
@@ -126,10 +125,14 @@ var loadImageCmd = &cobra.Command{
 }
 
 var removeImageCmd = &cobra.Command{
-	Use:     "rm IMAGE [IMAGE...]",
-	Short:   "Remove one or more images",
-	Long:    "Remove a image from minikube",
-	Example: "minikube image rm image busybox",
+	Use:   "rm IMAGE [IMAGE...]",
+	Short: "Remove one or more images",
+	Example: `
+$ minikube image rm image busybox
+
+$ minikube image unload image busybox
+`,
+	Aliases: []string{"unload"},
 	Run: func(cmd *cobra.Command, args []string) {
 		if len(args) == 0 {
 			exit.Message(reason.Usage, "Please provide an image to remove via <minikube image rm IMAGE_NAME>")

pkg/generate/docs.go

@@ -96,6 +96,11 @@ func GenMarkdownCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string)
 		buf.WriteString(fmt.Sprintf("```shell\n%s\n```\n\n", cmd.UseLine()))
 	}
 
+	if len(cmd.Aliases) > 0 {
+		buf.WriteString("### Aliases\n\n")
+		buf.WriteString(fmt.Sprintf("%s\n\n", cmd.Aliases))
+	}
+
 	if len(cmd.Example) > 0 {
 		buf.WriteString("### Examples\n\n")
 		buf.WriteString(fmt.Sprintf("```\n%s\n```\n\n", cmd.Example))

site/content/en/docs/commands/image.md

 ---
 title: "image"
 description: >
-  Load a local image into minikube
+  Manage images
 ---
 
 
 ## minikube image
 
-Load a local image into minikube
+Manage images
 
 ### Synopsis
 
-Load a local image into minikube
+Manage images
 
 ### Options inherited from parent commands
 
@@ -124,16 +124,24 @@ Remove one or more images
 
 ### Synopsis
 
-Remove a image from minikube
+Remove one or more images
 
 ```shell
 minikube image rm IMAGE [IMAGE...] [flags]
 ```
 
+### Aliases
+
+[unload]
+
 ### Examples
 
 ```
-minikube image rm image busybox
+
+$ minikube image rm image busybox
+
+$ minikube image unload image busybox
+
 ```
 
 ### Options inherited from parent commands