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largefile(5)	      Standards, Environments, and Macros	  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
       ln	     ls		   mailcompat	 mailstats     mdb
       mkdir	     mkfifo	   more		 mv	       nawk
       page	     paste	   pathchck	 pg	       praliases
       rcp	     remsh	   rksh		 rm	       rmdir
       rsh	     sed	   sh		 sort	       split
       sum	     tail	   tar		 tee	       test
       touch	     tr		   uncompress	 uudecode      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)

SunOS 5.10			  26 May 2006			  largefile(5)
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