Linux命令行操作屏幕亮度、待机、休眠

# 调整屏幕亮度
echo 255 > /sys/devices/platform/backlight/backlight/backlight/brightness
# 查看屏幕亮度
cat /sys/devices/platform/backlight/backlight/backlight/brightness

# 息屏
echo 4 > /sys/class/graphics/fb0/blank
# 亮屏
echo 0 > /sys/class/graphics/fb0/blank

# 待机
echo "mem" > /sys/power/state
echo "disk" > /sys/power/state 

# 休眠
echo "platform" > /sys/power/disk
echo "shutdown" > /sys/power/disk

# 关机
poweroff -f    

原文链接：blog.csdn.net/ckg3824278/…