I wish to read the file "/sys/devices/system/cpu/cpu0/cpufreq" as an unprivileged user. The default permissions on this file are: -r-------- 1 root root What is the rationale behind this? All other files in this directory are world readable. Best Regards, Ken -- Ken O'Brien PhD Researcher Simulation Science and Extreme Events Cluster, 3B1, UCD CASL, 8 Belfield Business Park, Dublin 4, Ireland. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html