RPi Speed and Temp

clear && printf 'current\n' && sudo cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq && printf '\nmin\n' && sudo cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq && printf '\nmax\n' && sudo cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq && printf '\ntemp\n' && cat /sys/class/thermal/thermal_zone0/temp && echo

https://raspberrypi.stackexchange.com/questions/1219/how-do-i-determine-the-current-mhz

https://www.raspberrypi.org/forums/viewtopic.php?t=34994