Hard Drive and Disk Management

Disk Space of all files and directories in the current directory you are located in

du
  
  
root@localhost agi-bin]# du
132 ./.svn/text-base
4   ./.svn/props
4   ./.svn/tmp/text-base
4   ./.svn/tmp/props
4   ./.svn/tmp/prop-base
16  ./.svn/tmp
24  ./.svn/prop-base
188 ./.svn
24  ./areminder/.svn/text-base
4   ./areminder/.svn/props
4   ./areminder/.svn/tmp/text-base
4   ./areminder/.svn/tmp/props
4   ./areminder/.svn/tmp/prop-base
16  ./areminder/.svn/tmp
12  ./areminder/.svn/prop-base
68  ./areminder/.svn
92  ./areminder
48  ./enc
8   ./calllimit
804 .
[root@localhost agi-bin]#
  
# Adding the -h flag will have the Disk Size printed out in human readable format
[root@localhost agi-bin]# du -h
132K    ./.svn/text-base
4.0K    ./.svn/props
4.0K    ./.svn/tmp/text-base
4.0K    ./.svn/tmp/props
4.0K    ./.svn/tmp/prop-base
16K ./.svn/tmp
24K ./.svn/prop-base
188K    ./.svn
24K ./areminder/.svn/text-base
4.0K    ./areminder/.svn/props
4.0K    ./areminder/.svn/tmp/text-base
4.0K    ./areminder/.svn/tmp/props
4.0K    ./areminder/.svn/tmp/prop-base
16K ./areminder/.svn/tmp
12K ./areminder/.svn/prop-base
68K ./areminder/.svn
92K ./areminder
48K ./enc
8.0K    ./calllimit
804K    .
[root@localhost agi-bin]#
  
# If we wanted to know how much space the voicemail directory is using we can use the following command
[root@localhost agi-bin]# du -h /var/spool/asterisk/voicemail/
4.0K    /var/spool/asterisk/voicemail/device
8.0K    /var/spool/asterisk/voicemail/
[root@localhost agi-bin]#
  
# Find which directory is using up the most storage space in /var/spool/asterisk
[root@localhost ~]# cd /var/spool/asterisk/
[root@localhost asterisk]# du -cks * | sort -rn
52    total
20    sysadmin
8    voicemail
4    tmp
4    system
4    outgoing
4    monitor
4    meetme
4    fax

Disk Space of the entire Hard Drive

df
  
  
[root@localhost agi-bin]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda2             56818996   3078276  50854424   6% /
tmpfs                  1952500         0   1952500   0% /dev/shm
/dev/sda1                99150     25896     68134  28% /boot
[root@localhost agi-bin]#
  
# Adding the -h flag will have the Disk Size printed out in human readable format
[root@localhost agi-bin]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda2              55G  3.0G   49G   6% /
tmpfs                 1.9G     0  1.9G   0% /dev/shm
/dev/sda1              97M   26M   67M  28% /boot
[root@localhost agi-bin]#