Removed unnecessary "chan" and "select" blocks from listener.go and remove some other minor redundant pieces of code.

operator/operator.go

@@ -6,8 +6,8 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
+	"os"
 	"strings"
 
 	"github.com/chzyer/readline"
@@ -26,7 +26,7 @@ var availableCommands = []struct {
 	command     string
 	subcommands map[string][]string // Changed to a map for better nesting
 }{
-	{"show agents", nil},
+	{"agents", nil},
 	{"show agent", map[string][]string{
 		"": {""}, // To be dynamically updated
 	}},
@@ -46,10 +46,10 @@ var availableCommands = []struct {
 	{"sleep", map[string][]string{
 		"": {""},
 	}},
-	{"shell", map[string][]string{
+	{"cmd", map[string][]string{
 		"": {""},
 	}},
-	{"ps", map[string][]string{
+	{"powershell", map[string][]string{
 		"": {""},
 	}},
 	{"run", map[string][]string{
@@ -189,7 +189,7 @@ func main() {
 	fmt.Println("Client's username and password provided")
 
 	// Load CA certificate
-	caCert, err := ioutil.ReadFile(caCertPath)
+	caCert, err := os.ReadFile(caCertPath)
 	if err != nil {
 		log.Fatalf("Failed to read CA certificate: %v", err)
 	}