The XWD utility enables you to capture an entire screen (by capturing the X11 root window) or a specific window identified by using a mouse or a window id on the command line.

可以使用xwd实用程序捕获整个屏幕(通过捕获X11根窗口)，也可以使用鼠标或在命令行上指定窗口ID，从而捕获特定的窗口。

youdao

Use the capture utility to capture a whole screen or a custom re-adjustable region of the screen.

可以使用捕获实用工具捕获整个屏幕或者一个可调整区域的屏幕。

youdao