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Operating Systems Solaris Difference between hard link and copy command Post 302376436 by rogerben on Tuesday 1st of December 2009 11:01:22 AM
Old 12-01-2009
Difference between hard link and copy command

Can anyone let me know the difference between hard link and copy command..

1) from my knowledge hard link wont span across file system and it will link to inode.

2) But in space point of view both hard link and copying a file occupies a same space. Then what is the major difference between both the commands ,.

Any help on this is very thankful.
rogerben
 

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LINK(3) 								 1								   LINK(3)

link - Create a hard link

SYNOPSIS
bool link (string $target, string $link) DESCRIPTION
link(3) creates a hard link. PARAMETERS
o $target - Target of the link. o $link - The link name. RETURN VALUES
Returns TRUE on success or FALSE on failure. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.0 | | | | | | | This function is now available on Windows plat- | | | forms (Vista, Server 2008 or greater). | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 Creating a simple hard link <?php $target = 'source.ext'; // This is the file that already exists $link = 'newfile.ext'; // This the filename that you want to link it to link($target, $link); ?> NOTES
Note This function will not work on remote files as the file to be examined must be accessible via the server's filesystem. Note For Windows only: This function requires PHP to run in an elevated mode or with the UAC disabled. SEE ALSO
symlink(3), readlink(3), linkinfo(3). PHP Documentation Group LINK(3)
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