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LARGEFILE(5)							  LARGEFILE(5)

NAME
       largefile - large file status of utilities

DESCRIPTION
       A large file is a regular file whose size is greater than or equal to 2
       Gbyte ( 2^31 bytes). A small file is a regular file whose size is  less
       than 2 Gbyte.

   Large file aware utilities
       A  utility  is called large file aware if it can process large files in
       the same manner as it does small files. A utility that  is  large  file
       aware  is  able	to  handle large files as input and generate as output
       large files that are being processed. The exception is where additional
       files  are used as system configuration files or support files that can
       augment the processing. For example, the file utility supports  the  -m
       option  for an alternative "magic" file and the -f option for a support
       file that can contain a list of file names. It is unspecified whether a
       utility	that  is large file aware will accept configuration or support
       files that are large files. If a large  file  aware  utility  does  not
       accept  configuration  or  support  files that are large files, it will
       cause no data loss or corruption upon encountering such files and  will
       return an appropriate error.

       The following /usr/bin utilities are large file aware:

       adb	   aliasadm   awk	 bdiff	      cat
       chgrp	   chmod      chown	 cksum	      cmp
       compress	   cp	      csh	 csplit	      cut
       dd	   dircmp     du	 egrep	      fgrep
       file	   find	      ftp	 getconf      grep
       gzip	   head	      join	 jsh	      ksh
       ksh93	   ln	      ls	 mailcompat   mailstats
       mdb	   mkdir      mkfifo	 more	      mv
       nawk	   page	      paste	 pathchck     pg
       praliases   rcp	      remsh	 rksh	      rksh93
       rm	   rmdir      rsh	 sed	      sh
       sort	   split      sum	 tail	      tar
       tee	   test	      touch	 tr	      uncompress
       uudcode	   uuencode   vacation	 wc	      zcat

       The following /usr/xpg4/bin utilities are large file aware:

       awk     cp      chgrp   chown   du
       egrep   fgrep   file    grep    ln
       ls      more    mv      rm      sed
       sh      sort    tail    tr

       The following /usr/xpg6/bin utilities are large file aware:

       getconf	 ls   tr

       The following /usr/sbin utilities are large file aware:

       editmap	 install   makemap   mkfile   mknod
       mvdir	 swap

       The following /usr/lib utilities are large file aware:

       mail.local   sendmail   smrsh

       See  the	 USAGE	section of the swap(1M) manual page for limitations of
       swap on block devices greater than 2 Gbyte on a 32-bit  operating  sys‐
       tem.

       The following /usr/ucb utilities are large file aware:

       chown   from    ln   ls	 sed
       sum     touch

       The  /usr/bin/cpio and /usr/bin/pax utilities are large file aware, but
       cannot archive a file whose size exceeds 8 Gbyte - 1 byte.

       The /usr/bin/truss utilities has been modified to read a dump file  and
       display information relevant to large files, such as offsets.

   cachefs file systems
       The  following /usr/bin utilities are large file aware for cachefs file
       systems:

       cachefspack   cachefsstat

       The following /usr/sbin utilities are large file aware for cachefs file
       systems:

       cachefslog   cachefswssize   cfsadmin   fsck
       mount	    umount

   nfs file systems
       The following utilities are large file aware for nfs file systems:

       /usr/lib/autofs/automountd   /usr/sbin/mount
       /usr/lib/nfs/rquotad

   ufs file systems
       The  following  /usr/bin	 utility is large file aware for ufs file sys‐
       tems:

       df

       The following /usr/lib/nfs utility is large file	 aware	for  ufs  file
       systems:

       rquotad

       The  following  /usr/xpg4/bin  utility is large file aware for ufs file
       systems:

       df

       The following /usr/sbin utilities are large file	 aware	for  ufs  file
       systems:

       clri	dcopy	     edquota	  ff	    fsck
       fsdb	fsirand	     fstyp	  labelit   lockfs
       mkfs	mount	     ncheck	  newfs	    quot
       quota	quotacheck   quotaoff	  quotaon   repquota
       tunefs	ufsdump	     ufsrestore	  umount

   Large file safe utilities
       A  utility  is called large file safe if it causes no data loss or cor‐
       ruption when it encounters a large file. A utility that is  large  file
       safe  is unable to process properly a large file, but returns an appro‐
       priate error.

       The following /usr/bin utilities are large file safe:

       audioconvert   audioplay	  audiorecord	comm	 diff
       diff3	      diffmk	  ed		lp	 mail
       mailcompat     mailstats	  mailx		pack	 pcat
       red	      rmail	  sdiff		unpack	 vi
       view

       The following /usr/xpg4/bin utilities are large file safe:

       ed   vi	 view

       The following /usr/xpg6/bin utility is large file safe:

       ed

       The following /usr/sbin utilities are large file safe:

       lpfilter	      lpforms

       The following /usr/ucb utilities are large file safe:

       Mail   lpr

SEE ALSO
       lf64(5), lfcompile(5), lfcompile64(5)

				  Nov 2, 2007			  LARGEFILE(5)
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