Need to recompile kernel. cd /usr/src/sys/i386/conf cp GENERIC MYKERNEL Edit the file MYKERNEL and add the line options QUOTA Then run the following commands: /usr/sbin/config MYKERNEL cd ../compile/MYKERNEL make depend make make install ------ To Enable Quota Edit the file /etc/fstab and look for the entry, in which the directory /home is mentioned, e.g. /dev/ad0s1d /home ufs rw 2 2 Add the words userquota and groupquota as follows: /dev/ad0s1d /home ufs rw,userquota,groupquota 2 2 To enable quota at boot time you have to add the following lines to /etc/rc.conf: quota_enable="YES" check_quotas="YES" Reboot the system: shutdown -r now After the reboot run the following commands: quotacheck -a quotaon -a Install the setquota-Tool at last: pkg_add -r setquota