Easy to set the CPU frequency

cps low :       Set cpu frequency low (@ 800Mhz). CpuFan will be quiet.
cps max :       Set cpu frequency max. there is no limmit.
cps [number] :  Set cpu frequency [number]Ghz.
cps now :       See your cpu frequency at now
cps --help :    THIS IS IT (by Michael Jackson)

CPUの周波数をmaxかlowで簡単に設定して、ファンの音を抑えたり出来ます。
任意の数字を入力して適当な値を設定することも可能。

• 必須アプリ cpufreq

  sudo apt-get install cpufrequtilsしてインストールしておきましょう。

You can easily set the frequency of the CPU with max or low to suppress the sound of the fan.
It is also possible to enter an arbitrary number and set an appropriate value.

• Required application cpufreq

  install command: sudo apt-get install cpufrequtils