/media/sda-magnetic/david/Extern-Magnetic-2022-06-29/Extern01/Dokumente-2021-05-8/disk10-ab-2020-01-10/02-debian-pc2-work/informatik/bash-programming/lex-yacc-bash-etc/all200002.txt

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