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Redshift is an application that adjusts the computer display's color temperature based upon the time of day. The program is free software, inspired by the proprietary f.lux, and is intended to reduce eye strain as well as insomnia.〔(Github release 1.9 )〕 Redshift transitions the computer display's color temperature evenly between daytime and night temperatures to allow the user's eyes to slowly adapt. At night, the color temperature is low and is typically 3000–4000 K, preferably matching the room's lighting temperature. Typical color temperature during the daytime is 5500–6500 K. ==Features== Redshift is primarily distributed for and used on the Linux operating system. It is designed as a command line tool and can be directly controlled from the command line, enabled and disabled from a status icon, or configured to adjust the color temperature automatically. Redshift can be used to set a single color temperature and brightness ("one shot mode") or can adjust the temperature and brightness continuously to follow the sun's elevation, in which case it will transition to the night color temperature settings near twilight. The temperature and brightness settings for daytime and night can be user-configured. To determine the Sun's elevation the software requires the user's location in form of latitude and longitude.〔 On Linux and BSD operating systems, Redshift supports multiple monitors through the X extensions RandR (preferred) or VidMode. Because Redshift can only be configured to use the same gamma correction on all monitors it controls, it may be desirable to run one instance of the program per monitor. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Redshift (software)」の詳細全文を読む スポンサード リンク
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