In Unix-like operating systems, unlink is a system call and a command line utility to delete files. The program directly interfaces the system call, which removes the file name and (but not on GNU systems) directories like rm and rmdir. 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.
To delete a file named foo, one could type:
% unlink foo
In PHP, one could use the following function to do the same:
The Perl syntax is identical to the PHP syntax, save for the parentheses:
In Node.js it is almost the same as the others:
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