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di - advanced df like disk information utility…  more info»

di.1.gz

di(1)                                                          di(1)



Name
       di - disk information

Synopsis
       di  [-AacghHklLmnPtZ]  [-B  block-size] [-d display-size] [-f
       format]   [-I   include-fstyp-list]   [-s   sort-type]    [-w
       block-width]  [-W  inode-width]  [-x  exclude-fstyp-list] [-X
       debug-level] [-z zone-name] [file [...]]

       mi

Description
       di Displays usage information on mounted filesystems.   Block
       values  are reported in a human readable format.  If the user
       or group has a disk quota, the values reported  are  adjusted
       according the quotas that apply to the user.

       If file is specified, the usage information for the partition
       on which file is located is printed.

       Unless the  -a  flag  is  specified,  the  following  mounted
       filesystems  will not normally be displayed: filesystems with
       total blocks <= 0; filesystems marked by the operating system
       as  "ignore"  or "none"; loopback filesystems that are dupli‐
       cates of other normally mounted filesystems (filesystem  type
       of  'lofs'  or  linux  'none'); loopback filesystems that are
       part of a zone (Solaris).

       mi Displays the mounted filesystem information.

       Several options may be specified to control the output of  di
       and mi:

       -A     Print  all  fields (used for debugging).  Mount points
              and special device names are printed at full width.

       -a     (compatibility: --all)
              Prints all mounted devices  (normally,  those  with  0
              total   blocks  are  not  printed  -  e.g.  /dev/proc,
              /dev/fd).

       -B     block-size (compatibility: --block-size, -b)
              Change the base block size from 1024 (default) to  the
              size  specified.   block-size  may be one of: k - 1024
              bytes, si - 1000 bytes, or a specific size.

       -c     (alias: --csv-output)
              Comma separated values are  output.   The  titles  are
              output  as  the  format string specifiers.  Totals are
              turned off. See also the -n flag.

       -d     display-size (alias: --display-size)
              Display the blocks in units specified by display-size.
              Note  that  if the base block size is SI units of 1000
              bytes, the display  size  is  calculated  using  those
              units.   display-size  may  be  one  of:  512 - POSIX,
              k - kilobytes, m - megabytes, g - gigabytes,  t - ter‐
              abytes,  p - petabytes,  e - exabytes, z - zettabytes,
              y - yottabytes, h - Scaled alternative  1,  H - Scaled
              alternative 2, or a specific value to use as the block
              size.

              Block display sizes greater than 1024 bytes  are  dis‐
              played with a precision of one decimal place after the
              radix.

              The Scaled alternatives scale the sizes displayed  and
              appends a suffix (e.g. 48.0k, 3.4M).

              With  scaled  alternative  1,  sizes within a line may
              scale to different units.

              Scaled alternative 2 scales  all  the  sizes  in  each
              individual  line  to  the  same unit size (the largest
              needed).

       -f     format Use the specified format  string  format.   See
              the Format Strings section.

       -g     (alias for: -dg)
              Display sizes in gigabytes.

       -h     (alias for: -dh)
              Display  partition  sizes in scaled alternative 1 for‐
              mat.

       --help
              Display some basic usage information.

       -H     (alias for: -dH; compatibility: --human-readable)
              Display partition sizes in scaled alternative  2  for‐
              mat.

       -I     include-fstype-list (compatibility: -F, --type)
              Include   only   the   file  system  types  listed  in
              include-fstyp-list.  The list  is  a  comma  separated
              list of file system types.  Multiple -I options may be
              specified.  If the 'fuse' filesystem  type  is  speci‐
              fied, all fuse* filesystems will be included.
              e.g. -I nfs,tmpfs or -I nfs -I tmpfs.

       --inodes
              Ignored.  Use the -f option.

       -k     (alias for: -dk)
              Display sizes in Kbytes.

       -l     (compatibility: --local)
              Display only local file systems.

       -L     Turn  off  check  for  duplicate filesystems (loopback
              (lofs/none) mounts).

       -m     (alias for: -dm)
              Display sizes in megabytes.

       -n     Do not print a header line above the list of file sys‐
              tems.  Useful when parsing the output of di.

       --no-sync
              Ignored.

       -P     (compatibility: --portability)
              Output  format is POSIX standard.  512 byte block size
              is the default.  The -k option may be used.

       --print-type
              Ignored.  Use the -f option.

       -q     Disable quota checks.

       -s     sort-type
              Use sort-type to sort the output.  The output of di is
              normally  sorted  by  mount point.  The following sort
              flags may be used to change the sort  order:  m  -  by
              mount  point  (default);  n  -  leave  unsorted (as it
              appears in the mount table); s  -  by  special  device
              name;  t  -  by  filesystem type; r - reverse the sort
              order.

              These sort options  may  be  combined  in  any  order.
              e.g.: di -stsrm - by type, special, reversed mount; di
              -strsrm - by type, reversed special, mount.

       --si   An alias for -dH -Bsi.

       --sync Ignored.

       -t     (compatibility: --total)
              Print a totals line below the list  of  file  systems.
              Pooled  filesystems  (zfs,  advfs)  have only the main
              pool added to the total.  It is  up  to  the  user  to
              exclude  (using  the  -x option) read-only filesystems
              (cdfs,  iso9660),  swap-based  (memfs,   mfs,   tmpfs)
              filesystems  and  user (fuse*) filesystems.  Excluding
              the 'fuse' filesystem will exclude all fuse*  filesys‐
              tems.

       -w     block-width
              Set  the print width for block values.  The default is
              eight.

       -v     Ignored.

       --version
              Display di's version and default format string.

       -W     inode-width
              Set the print width  for  inode  values.   Default  is
              seven.

       -x     exclude-fstype-list (compatibility: --exclude-type)
              Exclude    the    file    system   types   listed   in
              exclude-fstyp-list.  The list  is  a  comma  separated
              list of file system types.  Multiple -x options may be
              specified.  If the 'fuse' filesystem type is excluded,
              all  fuse*  filesystems  will  be  excluded.   e.g. -x
              nfs,tmpfs or -x nfs -x tmpfs.

       -X     level
              Set the program's debugging level to debug-level.

       -z     zone-name
              Display the filesystems for the specified  zone.   The
              zone must be visible to the user.

       -Z     (alias for: -z all)
              Display the filesystems for all visible zones.

Format Strings
       The  output of di may be specified via a format string.  This
       string may be given either via the -f command line option  or
       as  part  of  the  DI_ARGS  environment variable.  The format
       string may specify the following columns:

       m      Print the name of the mount point.

       M      Print the name of the mount  point,  at  full  length.
              The mount point is formatted to the maximum width nec‐
              essary for the longest mount point name.

       s      Print the file system name (special device  or  remote
              mount point).

       S      Print  the  file system name (special device or remote
              mount point), at full length.  The file system name is
              formatted to the maximum width necessary for the long‐
              est file system name.

       t      Print the file system type.

       T      Print the file system type at full length.   The  file
              system  type  is formatted to the maximum width neces‐
              sary for the longest file system type.

       Total Available

       b      Print the total number of megabytes on the  file  sys‐
              tem.

       B      Print the total number of megabytes on the file system
              available for use by normal users.

       In Use

       u      Print the number of megabytes in use on the file  sys‐
              tem (actual number of megabytes used = total - free).

       c      Print the number of megabytes not available for use by
              normal users (total - available).

       Free

       f      Print the number of free  (unused)  megabytes  on  the
              file system.

       v      Print  the  number  of  megabytes available for use by
              normal users.

       Percentage Used

       p      Print the percentage of megabytes  not  available  for
              use by normal users (number of megabytes not available
              for use / total disk space).

       1      Print the percentage of total megabytes in use (actual
              number of megabytes used / total disk space).

       2      Print  the  percentage of megabytes in use, BSD-style.
              Represents the percentage of user-available  space  in
              use.   Note that values over 100% are possible (actual
              number of megabytes used /  disk  space  available  to
              non-root users).

       Percentage Free

       a      Print the percentage of megabytes available for use by
              normal users (number of megabytes available for use  /
              total disk space).

       3      Print  the  percentage of total megabytes free (actual
              number of megabytes free / total disk space).

       Inodes

       i      Print the total number of file slots (inodes) that can
              be created on the file system.

       U      Print the number of file slots in use.

       F      Print the number of file slots available.

       P      Print the percentage of file slots in use.

       Mount Information

       I      Print  the time the filesystem was mounted.  This col‐
              umn is not supported on all systems.

       O      Print the filesystem mount options.

       The default format string for di is smbuvpT.

       The default format string for mi is MSTIO.

       The format string may also contain any  other  character  not
       listed  above.  The character will be printed as is.  e.g. di
       -f 'mbuvp|iUFP' will print the character '|' between the disk
       usage and the file slot usage.  The command sequence:
              di -f 'mbuvp
              miUFP'
       will print two lines of data for each filesystem.

Examples
       Various  df  equivalent format strings for System V release 4
       are:
              /usr/bin/df -v     di -P -f msbuf1
              /usr/bin/df -k     di -dk -f sbcvpm
              /usr/ucb/df        di -dk -f sbuv2m
       GNU df:
              df                 di -dk -f SbuvpM -w 10
              df -T              di -dk -f STbuvpM -w 10
       AIX df:
              df                 di -d 512 -f Sbf1UPM -w 10
              df -I              di -d 512 -f Sbuf1M
              df -I -M           di -d 512 -f SMbuf1 -w 10
       HP-UX bdf:
              bdf                di -d k -f Sbuv2M
              bdf -i             di -d k -f Sbuv2UFPM

       If you like your numbers to add up/calculate  the  percentage
       correctly, try one of the following format strings:

              di -f SMbuf1T
              di -f SMbcvpT
              di -f SMBuv2T

Environment Variables
       The  DI_ARGS environment variable may be used to specify com‐
       mand line arguments.  e.g. If you always want gigabytes  dis‐
       played,  set  DI_ARGS equal to "-dg".  Any command line argu‐
       ments specified will override the DI_ARGS  environment  vari‐
       able.

       The DI_LOCALE_DIR environment variable may be used to specify
       the location of the di program's locale message files.

       The GNU df POSIXLY_CORRECT, and  DF_BLOCK_SIZE  and  the  BSD
       BLOCKSIZE environment variables are honored.

Note
       For  filesystems  that  do  not report available blocks (e.g.
       System V release 3), the number of available blocks  is  con‐
       sidered to be the number of free blocks.

WARNING
       Do  not  replace  your system's df command with this program.
       You will in all likelihood  break  your  installation  proce‐
       dures.

See Also
       df(1),   fstab(5),   getmnt(2),   getmntinfo(2),   mnttab(4),
       mount(1M) statfs(2), statvfs(2)

Bugs
       Send bug reports to: brad.lanam.di_at_gmail.com

Website
       http://www.gentoo.com/di/

Author
       This program is Copyright 1994-2011 by Brad Lanam.

       Brad Lanam, Walnut Creek, CA (brad.lanam.di_at_gmail.com)



                             8 Oct 2011                        di(1)
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