1.开始录屏
# CTRL+ALT+SHIFT+R2、结束录屏
# CTRL+ALT+SHIFT+R3.视频保存路径
# ~/4.默认录屏时间为30秒,超时会自动结束，可修改为无限制录屏
# gsettings set org.gnome.settings-daemon.plugins.media-keys max-screencast-length 0# CTRL+ALT+SHIFT+R# CTRL+ALT+SHIFT+R# ~/# gsettings set org.gnome.settings-daemon.plugins.media-keys max-screencast-length 0