proc_uptime(5) File Formats Manual proc_uptime(5) NAME /proc/uptime - system uptime DESCRIPTION /proc/uptime This file contains two numbers (values in seconds): the uptime of the system (including time spent in suspend) and the amount of time spent in the idle process. SEE ALSO proc(5) Linux man-pages 6.9.1 2024-05-02 proc_uptime(5)