From db513a65a38228dfda9a0e9e4dd080c60c92df1f Mon Sep 17 00:00:00 2001
From: Leonmmcoset <testmod@qq.com>
Date: Mon, 2 Feb 2026 05:22:25 +0800
Subject: [PATCH] =?UTF-8?q?uptime=E5=91=BD=E4=BB=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Kernel.cs |  9 ++++++++-
 Shell.cs  | 45 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/Kernel.cs b/Kernel.cs
index 52eea51..830e604 100644
--- a/Kernel.cs
+++ b/Kernel.cs
@@ -23,7 +23,10 @@ namespace CMLeonOS
         
         // 修复模式变量（硬编码，用于控制是否启用修复模式）
         public static bool FixMode = false;
-
+        
+        // 系统启动时间（用于uptime命令）
+        public static DateTime SystemStartTime;
+        
         protected override void BeforeRun()
         {
             // Console.Clear();
@@ -38,6 +41,10 @@ namespace CMLeonOS
             Console.WriteLine("CMLeonOS Project");
             Console.WriteLine("By LeonOS 2 Developement Team");
             
+            // 记录系统启动时间（用于uptime命令）
+            SystemStartTime = DateTime.Now;
+            Console.WriteLine($"System started at: {SystemStartTime.ToString("yyyy-MM-dd HH:mm:ss")}");
+            
             // 注册VFS
             try
             {
diff --git a/Shell.cs b/Shell.cs
index e094506..ef417f5 100644
--- a/Shell.cs
+++ b/Shell.cs
@@ -176,9 +176,11 @@ namespace CMLeonOS
                         "                     env change <varname> <value>           - Set variable value",
                         "                     env delete <varname>                  - Delete variable",
                         "  beep             - Play beep sound",
+                        "  uptime           - Show system uptime",
                         "  branswe <filename> - Execute Branswe code file",
                         "  backup <name>    - Backup system files",
                         "  restore <name>  - Restore system files",
+                        "  grep <pattern> <file> - Search text in file",
                         "  version          - Show OS version",
                         "  about            - Show about information",
                         "  help <page>      - Show help page (1-3)",
@@ -412,6 +414,9 @@ namespace CMLeonOS
                 case "branswe":
                     ProcessBransweCommand(args);
                     break;
+                case "uptime":
+                    ShowUptime();
+                    break;
                 case "grep":
                     GrepFile(args);
                     break;
@@ -1444,5 +1449,45 @@ namespace CMLeonOS
                 ShowError($"Exception type: {ex.GetType().Name}");
             }
         }
+
+        private void ShowUptime()
+        {
+            try
+            {
+                Console.WriteLine("====================================");
+                Console.WriteLine("        System Uptime");
+                Console.WriteLine("====================================");
+                Console.WriteLine();
+                
+                // 计算系统运行时间
+                if (Kernel.SystemStartTime != DateTime.MinValue)
+                {
+                    TimeSpan uptime = DateTime.Now - Kernel.SystemStartTime;
+                    
+                    Console.WriteLine("System started: " + Kernel.SystemStartTime.ToString("yyyy-MM-dd HH:mm:ss"));
+                    Console.WriteLine("Current time: " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
+                    Console.WriteLine();
+                    
+                    // 格式化运行时间
+                    int days = uptime.Days;
+                    int hours = uptime.Hours;
+                    int minutes = uptime.Minutes;
+                    int seconds = uptime.Seconds;
+                    
+                    Console.WriteLine($"System uptime: {days} days, {hours} hours, {minutes} minutes, {seconds} seconds");
+                    Console.WriteLine($"Total uptime: {uptime.TotalHours:F2} hours");
+                }
+                else
+                {
+                    ShowWarning("System start time not available.");
+                    ShowWarning("System may have been started before uptime tracking was implemented.");
+                }
+                Console.WriteLine();
+            }
+            catch (Exception ex)
+            {
+                ShowError($"Error showing uptime: {ex.Message}");
+            }
+        }
     }
 }
\ No newline at end of file