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 pro-
     cessed. 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 confi-
     guration 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

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Standards, Environments, and Macros                  largefile(5)

     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  limi-
     tations  of  swap on block devices greater than 2 Gbyte on a
     32-bit operating system.

     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,

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Standards, Environments, and Macros                  largefile(5)

     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 systems:

     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

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Standards, Environments, and Macros                  largefile(5)

     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 corruption when it encounters a large file. A util-
     ity that is large file safe is unable to process properly  a
     large file, but returns an appropriate 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

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Standards, Environments, and Macros                  largefile(5)

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

     Mail          lpr


SEE ALSO

     lf64(5), lfcompile(5), lfcompile64(5)

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