Content-type: text/html Man page of largefile

largefile

Section: Standards, Environments, and Macros (5)
Updated: 26 May 2006
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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:

adbaliasadmawkbdiffcat
chgrpchmodchowncksumcmp
compress
dd
file
gzip
ln
mkdir
page
rcp
rsh
sum
touch
vacation

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

awkcpchgrpchowndu
egrepfgrepfilegrepln
ls
sh

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

getconflstr

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

editmapinstallmakemapmkfilemknod
mvdirswap

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

mail.localsendmailsmrsh

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 system.

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

chownfromlnlssed
sumtouch

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:

cachefspackcachefsstat

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

cachefslogcachefswssizecfsadminfsck
mountumount

 

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

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

clridcopyedquotafffsck
fsdbfsirandfstyplabelitlockfs
mkfs
quota
tunefs

 

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 utility 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:

audioconvertaudioplayaudiorecordcommdiff
diff3diffmkedlpmail
mailcompat
red
view

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

edviview

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:

Maillpr

 

SEE ALSO

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


 

Index

NAME
DESCRIPTION
Large file aware utilities
cachefs file systems
nfs file systems
ufs file systems
Large file safe utilities
SEE ALSO

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Time: 02:39:48 GMT, October 02, 2010