# cpufreq-set > A tool to modify CPU frequency settings. > The frequency value should range between the output of command `cpufreq-info -l`. > More information: . - Set the CPU frequency policy of CPU 1 to "userspace": `sudo cpufreq-set {{[-c|--cpu]}} {{1}} {{[-g|--governor]}} {{userspace}}` - Set the current minimum CPU frequency of CPU 1: `sudo cpufreq-set {{[-c|--cpu]}} {{1}} {{[-d|--min]}} {{min_frequency}}` - Set the current maximum CPU frequency of CPU 1: `sudo cpufreq-set {{[-c|--cpu]}} {{1}} {{[-u|--max]}} {{max_frequency}}` - Set the current work frequency of CPU 1: `sudo cpufreq-set {{[-c|--cpu]}} {{1}} {{[-f|--freq]}} {{work_frequency}}`