LVM - Logical Volume Management Physical Volumes Volume Groups Logical Volumes pvcreate vgcreate lvcreate pvcreate devices vgcreate name devices pvcreate /dev/sdb1 /dev/sdb2 /dev/sbd3 vgcreate hallo /dev/sbd1 /dev/sdb2 /dev/sdb3 /etc/dovecot/conf.d/15-mailboxes.conf /etc/dovecot/conf.d/15-lda.conf /etc/dovecot/conf.d/90-plugin.conf /etc/dovecot/conf.d/90-acl.conf /etc/dovecot/conf.d/90-quota.conf krsort ksort arsort asort rsort sort natcasesort natsort array_key_exits in_array shuffle explode implode print_r file_get_contents file_put_contentes file is_file is_dir is_readable is_writable mkdir unlink rmdir time microtime date strtotime abs ceil floor max min rand round squrt