diff --git a/app/mxwm/startz.js b/app/mxwm/startz.js
index bb6d374..6263cdb 100644
--- a/app/mxwm/startz.js
+++ b/app/mxwm/startz.js
@@ -6,13 +6,27 @@ async function drawScreen(ctx) {
     ctx.fillStyle = "darkcyan"
     ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height)
     
+    ctx.fillStyle = "cyan";
+    ctx.font = "bold 14px comic-sans";
+    ctx.textBaseline = "middle";
+    ctx.textAlign = "left";
+    ctx.fillText(`Alt+Shift+Q - выключить оконный менеджер | Alt+Enter - включить zterm | Alt+Shift+C - закрыть окно`, 10, 16);
+
     for (const win of window.mxwm_windows) {
-        drawWindowDecorations(ctx, win.x, win.y, win.width, win.height, win.title)
+        drawWindowDecorations(
+            ctx,
+            win.wid == selected_window,
+            win.x,
+            win.y,
+            win.width,
+            win.height,
+            win.title
+        )
         ctx.drawImage(win.canvas, win.x, win.y);
     }
 }
 
-async function drawWindowDecorations(ctx, x, y, width, height, title) {
+async function drawWindowDecorations(ctx, is_selected, x, y, width, height, title) {
     const borderRadius = 8;
     const borderWidth = 1;
     const buttonRadius = 6;
@@ -23,7 +37,7 @@ async function drawWindowDecorations(ctx, x, y, width, height, title) {
     const outerWidth = width + borderWidth * 2 + 2;
     const outerHeight = height + headerHeight + borderWidth * 2 + 3;
 
-    ctx.fillStyle = "#f4f4f4";
+    ctx.fillStyle = is_selected ? "#f4f4f4" : "#d3f4d3";
     ctx.fillRect(outerX, outerY, outerWidth, outerHeight)
 
     ctx.fillStyle = "#222";
@@ -34,17 +48,56 @@ async function drawWindowDecorations(ctx, x, y, width, height, title) {
 }
 
 async function onStart(screen_ctx) {
-    executeCommand(["/app/zterm.js"])
+    
 }
 
-async function onKeyDown(ctx, key) {
-    if (key == "Escape") {
-        disableGraphics()
+function moveWindowToTop(wid) {
+    let my_win
+    let windows = []
+    for (let win of window.mxwm_windows) {
+        if (win.wid == wid) {
+            my_win = win
+            continue
+        }
+        windows.push(win)
     }
+    windows.push(my_win)
+    window.mxwm_windows = windows
+}
+
+let altKey = false
+let shiftKey = false
+let ctrlKey = false
+
+async function onKeyDown(ctx, key) {
+    if (key == "Control") ctrlKey = true
+    if (key == "Alt") altKey = true
+    if (key == "Shift") shiftKey = true
+    
+    if (altKey && shiftKey && key == "Q") {
+        disableGraphics()
+        return
+    }
+
+    if (altKey && shiftKey && key == "C") {
+        signalWindow(selected_window, 9)
+        closeWindow(selected_window)
+        return
+    }
+
+    if (altKey && key == "Enter") {
+        executeCommand(["/app/zterm.js"])
+        return
+    }
+
     if (selected_window != null) getWindow(selected_window).onkeydown(key)
 }
 
 async function onKeyUp(ctx, key) {
+    if (key == "Control") ctrlKey = false
+    if (key == "Alt") altKey = false
+    if (key == "Shift") shiftKey = false
+
     if (selected_window != null) getWindow(selected_window).onkeyup(key)
 }
 
@@ -69,9 +122,11 @@ async function onMouseDown(ctx, button) {
             dragging_window = window["wid"]
             selected_window = window["wid"]
             setGraphicsCursor("grabbing")
+            moveWindowToTop(window.wid)
         }
         if (isMouseInside(window)) {
             selected_window = window["wid"]
+            moveWindowToTop(window.wid)
             window.onmousedown(button)
         }
     }
diff --git a/app/mxwm/zcom.js b/app/mxwm/zcom.js
index 3f55bc3..e5ffad2 100644
--- a/app/mxwm/zcom.js
+++ b/app/mxwm/zcom.js
@@ -4,6 +4,8 @@ function hasGraphicsImplementation() {
 
 /** returns wid and context */
 function createWindow(options) {
+  console.log("create", options)
+  
   let canvas = document.createElement("canvas")
 
   let wid = Date.now().toString() + Math.round(Math.random() * 100).toString()
@@ -37,7 +39,7 @@ function createWindow(options) {
     window.mxwm_windows = [ win ]
   }
 
-  return (wid, context)
+  return [wid, context]
 }
 
 function moveWindow(wid, x, y, w, h) {
@@ -68,6 +70,8 @@ function signalWindow(wid, signal) {
 }
 
 function closeWindow(wid) {
+  console.log("remove", wid)
+  
   if (!("mxwm_windows" in window)) {
     window.mxwm_windows = [ ]
   }
diff --git a/app/mxwm/zterm.js b/app/mxwm/zterm.js
index eeb8455..4737974 100644
--- a/app/mxwm/zterm.js
+++ b/app/mxwm/zterm.js
@@ -4,8 +4,10 @@ let text = ""
 let stdin_text = ""
 let stdin_visible = true
 let stdin_disable = true
+let ctx = null
+let wid = null
 
-async function draw(ctx) {
+async function draw() {
     ctx.fillStyle = "black"
     ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height)
 
@@ -19,6 +21,7 @@ async function draw(ctx) {
         y -= 18
     }
 }
+
 function setStdinFlag(flag) {
     if (flag == SILENT_STDIN) {
         stdin_visible = false
@@ -42,6 +45,101 @@ async function readStdin() {
 
 async function writeStdout(wh) {
     text += wh
+    draw()
+}
+
+async function readLine(on_key=(key, ctrl, alt, shift, content, pos) => [content, pos]) {
+    setStdinFlag(ENABLE_STDIN)
+
+    let start_terminal = text
+
+    // let start_cursor_pos = getCursor()
+
+    let pos = 0
+    let content = ""
+
+    while (true) {
+        let event = await pollStdinEvent()
+
+        if (event.type == "key") {
+            if (event.key == "Backspace") {
+                if (pos >= 1) {
+                    content = content.slice(0, pos - 1) + content.slice(pos)
+                    pos -= 1
+                    text = start_terminal + content
+                    // let cursor = getCursor()
+                    // setCursor(cursor[0]-1, cursor[1])
+                    // updateTerminalWOCursor()
+                }
+            } else if (event.key == "Delete") {
+                content = content.slice(0, pos) + content.slice(pos + 1)
+                text = start_terminal + content
+            //  updateTerminalWOCursor()
+            // } else if (event.key == "ArrowLeft") {
+            //     let cursor = getCursor()
+            //     if (cursor[0] > start_cursor_pos[0]) {
+            //         setCursor(cursor[0]-1, cursor[1])
+            //         pos -= 1
+            //     }
+            // } else if (event.key == "ArrowRight") {
+            //     let cursor = getCursor()
+            //     if (cursor[0] < start_cursor_pos[0] + content.length) {
+            //          setCursor(cursor[0]+1, cursor[1])
+            //          pos += 1
+            //     }
+            } else {
+                let res = on_key(event.key, event.ctrl, event.alt, event.shift, content, pos)
+                text = text.slice(0, text.length - content.length) + res[0]
+                // updateTerminal()
+                // setCursor(start_cursor_pos[0] + res[1], start_cursor_pos[1])
+                content = res[0]
+                pos = res[1]
+            }
+        } else if (event.type == "char") {
+            if (event.char == "\n") break
+            if (event.char == "\0") continue
+
+            content = content.slice(0, pos) + event.char + content.slice(pos)
+            pos += 1
+        }
+
+        draw()
+    }
+
+    setStdinFlag(DISABLE_STDIN)
+
+    return content
+}
+
+async function pollStdinEvent() {
+    let char = await readStdin()
+
+    if (char == "\r") {
+        let key = ""
+        char = await readStdin()
+        while (char != "\r") {
+            key += char
+            char = await readStdin()
+        }
+
+        let is_ctrl = key.charAt(0) == "1"
+        let is_alt = key.charAt(1) == "1"
+        let is_shift = key.charAt(2) == "1"
+        key = key.slice(3)
+
+        return {
+            "type": "key",
+            "ctrl": is_ctrl,
+            "alt": is_alt,
+            "shift": is_shift,
+            "key": key
+        }
+    }
+
+    return {
+        "type": "char",
+        "char": char
+    }
 }
 
 let altKey = false
@@ -49,7 +147,6 @@ let ctrlKey = false
 let shiftKey = false
 
 async function onKeyDown(key) {
-    console.log(key)
     if (!stdin_disable) {
         if (key == "Enter") {
             stdin_text += "\n"
@@ -72,6 +169,7 @@ async function onKeyDown(key) {
             stdin_text += "\r"+(ctrlKey ? "1" : "0")+(altKey ? "1" : "0")+(shiftKey ? "1" : "0")+key+"\r"
         }
     }
+    draw()
 }
 
 async function onKeyUp(key) {
@@ -84,8 +182,8 @@ async function onKeyUp(key) {
     }
 }
 
-async function main(args) {  
-    let wid, ctx = createWindow({
+async function main(args) {
+    [wid, ctx] = createWindow({
         "title": "zterm",
         "width": 500,
         "height": 500,
@@ -95,12 +193,20 @@ async function main(args) {
         "onkeyup": onKeyUp
     })
 
-    setTimeout(() => {
-        executeCommand(["/app/posh.js"], readStdin, writeStdout, setStdinFlag)
-    })
+    draw()
 
-    while (graphics_canvas != null) {
-        draw(ctx)
-        await new Promise(res => setTimeout(res, 100));
-    }
+    await executeCommand(
+        ["/app/posh.js"],
+        readStdin,
+        writeStdout,
+        setStdinFlag,
+        readLine,
+        pollStdinEvent
+    ).promise
+
+    ctx = null
+
+    console.log("posh exit")
+
+    closeWindow(wid)
 }
diff --git a/sys/system.js b/sys/system.js
index 10ea7af..1497925 100644
--- a/sys/system.js
+++ b/sys/system.js
@@ -13,7 +13,45 @@ const SILENT_STDIN = 2
 const DISABLE_STDIN = 3
 const ENABLE_STDIN = 4
 
-const READ_FUNCTIONS_CODE = `async function readLine(on_key=(key, ctrl, alt, shift, content, pos) => [content, pos]) {
+const EXECUTE_COMMAND_CODE = `
+function executeCommand(
+    args,
+    read=readStdin,
+    write=writeStdout,
+    set_flag=setStdinFlag,
+    read_line=readLine,
+    poll_stdin=pollStdinEvent,
+    inject=""
+) {
+    let id = new Date().getMilliseconds().toString()+(Math.random()*100)
+    let func_content = readFile(args[0])
+    if (func_content == null || !func_content.includes("function main")) return
+    let func = new Function(
+        "args", "readStdin", "writeStdout", "setStdinFlag", "readLine", "pollStdinEvent",
+        EXECUTE_COMMAND_CODE+"\\n"+inject+"\\n"+func_content+"\\nreturn main(args)"
+    )
+    let process = {
+        "id": id,
+        "name": args.join(" "),
+        "promise": new Promise((resolve, reject) => {
+            setTimeout(() => {
+                try {
+                    resolve(func(args, read, write, set_flag, read_line, poll_stdin))
+                } catch (e) {
+                    reject(e)
+                }
+            }, 0)
+        }).then(o => {
+            processes = processes.filter(x => x.id != id)
+            return o
+        })
+    }
+    processes.push(process)
+    return process
+}`
+
+
+async function readLine(on_key=(key, ctrl, alt, shift, content, pos) => [content, pos]) {
     setStdinFlag(ENABLE_STDIN)
 
     let start_terminal = getTerminal()
@@ -63,8 +101,8 @@ const READ_FUNCTIONS_CODE = `async function readLine(on_key=(key, ctrl, alt, shi
 
             continue
         } else if (event.type == "char") {
-            if (event.char == "\\n") break
-            if (event.char == "\\0") continue
+            if (event.char == "\n") break
+            if (event.char == "\0") continue
 
             content = content.slice(0, pos) + event.char + content.slice(pos)
             pos += 1
@@ -79,10 +117,10 @@ const READ_FUNCTIONS_CODE = `async function readLine(on_key=(key, ctrl, alt, shi
 async function pollStdinEvent() {
     let char = await readStdin()
 
-    if (char == "\\r") {
+    if (char == "\r") {
         let key = ""
         char = await readStdin()
-        while (char != "\\r") {
+        while (char != "\r") {
             key += char
             char = await readStdin()
         }
@@ -106,34 +144,6 @@ async function pollStdinEvent() {
         "char": char
     }
 }
-    
-function executeCommand(args, read=readStdin, write=writeStdout, set_flag=setStdinFlag, inject="") {
-    let id = new Date().getMilliseconds().toString()+(Math.random()*100)
-    let func_content = readFile(args[0])
-    if (func_content == null || !func_content.includes("function main")) return
-    let func = new Function(
-        "args", "readStdin", "writeStdout", "setStdinFlag",
-        READ_FUNCTIONS_CODE+"\\n\\n\\n"+func_content+"\\n"+inject+"\\nreturn main(args)"
-    )
-    let process = {
-        "id": id,
-        "name": args.join(" "),
-        "promise": new Promise((resolve, reject) => {
-            setTimeout(() => {
-                try {
-                    resolve(func(args, read, write, set_flag))
-                } catch (e) {
-                    reject(e)
-                }
-            }, 0)
-        }).then(o => {
-            processes = processes.filter(x => x.id != id)
-            return o
-        })
-    }
-    processes.push(process)
-    return process
-}`
 
 async function readStdin() {
     while (stdin.length == 0) {
@@ -161,34 +171,6 @@ function setStdinFlag(flag) {
     }
 }
 
-function executeCommand(args, read=readStdin, write=writeStdout, set_flag=setStdinFlag, inject="") {
-    let id = new Date().getMilliseconds().toString()+(Math.random()*100)
-    let func_content = readFile(args[0])
-    if (func_content == null || !func_content.includes("function main")) return
-    let func = new Function(
-        "args", "readStdin", "writeStdout", "setStdinFlag",
-        READ_FUNCTIONS_CODE+"\n\n\n"+func_content+"\n"+inject+"\nreturn main(args)"
-    )
-    let process = {
-        "id": id,
-        "name": args.join(" "),
-        "promise": new Promise((resolve, reject) => {
-            setTimeout(() => {
-                try {
-                    resolve(func(args, read, write, set_flag))
-                } catch (e) {
-                    reject(e)
-                }
-            }, 0)
-        }).then(o => {
-            processes = processes.filter(x => x.id != id)
-            return o
-        })
-    }
-    processes.push(process)
-    return process
-}
-
 async function resetSystem() {
     clearFileSystem()
 
@@ -204,6 +186,8 @@ async function resetSystem() {
     }
 }
 
+eval(EXECUTE_COMMAND_CODE)
+
 if (Object.keys(fs_mapping).length == 0) {
     resetSystem()
 }
diff --git a/sys/terminal.js b/sys/terminal.js
index 447206f..330fad6 100644
--- a/sys/terminal.js
+++ b/sys/terminal.js
@@ -157,7 +157,6 @@ var clipboard_collect = document.getElementById("clipboard-collect")
 document.onkeydown = (e) => {
     let key = e.key;
     if (!disable_stdin) {
-        console.log(e.key)
         if (key == "Enter") {
             stdin += "\n"
             if (!silent_stdin) {