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Operating Systems Linux Berkeley version bdf: combination of inode and file system usage Post 302881179 by bora99 on Friday 27th of December 2013 03:03:25 AM
Old 12-27-2013
what do you mean with "a kind request" ?

i added now code tags for any code/command, hope better ?
 

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di(1)							      General Commands Manual							     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  duplicates  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 spe-
	      cific value to use as the block size.

	      Block display sizes greater than 1024 bytes are displayed 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 format.

       --help
	      Display some basic usage information.

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

       -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 specified, 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 systems.  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* filesystems.

       -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 necessary 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 longest 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 necessary for the longest file
	      system type.

       Total Available

       b      Print the total number of megabytes on the file system.

       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 system (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 column 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 command line arguments.  e.g. If you always want gigabytes displayed, set DI_ARGS
       equal to "-dg".	Any command line arguments specified will override the DI_ARGS environment variable.

       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 considered to be the  num-
       ber of free blocks.

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