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If the file name was the last hard link to the file, the file itself is deleted as soon as no program has it open. [2] It also appears in the PHP, Node.js, R, Perl and Python standard libraries in the form of the unlink() built-in function. Like the Unix utility, it is also used to delete files. [3] [4] [5] [6]
An n-component link L ⊂ S 3 is an unlink if and only if there exists n disjointly embedded discs D i ⊂ S 3 such that L = ∪ i ∂D i. A link with one component is an unlink if and only if it is the unknot. The link group of an n-component unlink is the free group on n generators, and is used in classifying Brunnian links.
A symbolic link contains a text string that is automatically interpreted and followed by the operating system as a path to another file or directory. This other file or directory is called the "target". The symbolic link is a second file that exists independently of its target. If a symbolic link is deleted, its target remains unaffected.
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The {{ifexist only Commons}} template can be used to identify a media file which exists on Wikimedia Commons but not on English Wikipedia; whereas {{#ifexist:File:...}} and {{#ifexist:Media:...}} check, respectively, whether the file exists on English Wikipedia (the first) and on Commons or English Wikipedia (the second). Use the format
Unanswered questions remain about a fatal shooting at a Madison, Wisconsin, private school as new details emerge about the shooter’s family life and possible ties to a California man who ...
In helping instigate a heated debate over H-1B visas, Elon Musk is speaking both from personal experience and as a business owner.That's because his company, electric car maker Tesla, is among the ...
If a directory is writable and has S_ISVTX (the sticky bit) set, files within that directory can be removed or renamed only if one or more of the following is true (see unlink(2) and rename(2)): the user owns the file, the user owns the directory, the file is writable by the user, the user is a privileged user.