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Top Forums UNIX for Dummies Questions & Answers need some info about symbolic link and hard link Post 302156427 by detective linux on Tuesday 8th of January 2008 06:04:51 AM
Old 01-08-2008
need some info about symbolic link and hard link

hello folks
how y'all doin


well i have some questions about symbolic link and hard link

hope some one answer me

i open terminal and join as root
and i wrote ln -s blah blah
then i wrote ls
i see red file called blah blah
but didn't understand what is this can some one explain and is this the way to read it ?

what if remove the orginal file of hard link can i still see the content of the file

and can i try to make a hard link to a directory ? To a non-existent file

another more questions hope not one get angry coze i ask much

what if i try to change the permissions of the original file with chmod, or update its modification time with touch is there is something gunna happen for the links

that's what i wanna to know

thanks for all people who's gonna see the topic and thanks for who's gonna answer my questions
 

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SYMLINK(3)								 1								SYMLINK(3)

symlink - Creates a symbolic link

SYNOPSIS
bool symlink (string $target, string $link) DESCRIPTION
symlink(3) creates a symbolic link to the existing $target with the specified name $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 Create a symbolic link <?php $target = 'uploads.php'; $link = 'uploads'; symlink($target, $link); echo readlink($link); ?> NOTES
Note Windows users should note that this function will only work if the system you run PHP from is Windows Vista/Windows Server 2008 or newer. Windows versions prior to that do not support symbolic links. SEE ALSO
link(3), readlink(3), linkinfo(3). PHP Documentation Group SYMLINK(3)
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