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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. [1] If the file name was the last hard link to the file, the file itself is deleted as soon as no program has ...
Perl Programming Documentation, also called perldoc, is the name of the user manual for the Perl 5 programming language. It is available in several different formats, including online in HTML and PDF. The documentation is bundled with Perl in its own format, known as Plain Old Documentation (pod).
rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also special files such as device nodes, pipes and sockets, similar to the del command in MS-DOS, OS/2, and Microsoft Windows.
srm 1.2.8 on Mac OS X 10.9 [5] has a -n option, which means "overwrite file, but do not rename or unlink it." [ 1 ] However, if the file has multiple links, the multiple-link file data protection feature activates first, removing the file, even though the -n option specifies "do not rename or unlink the file". [ 3 ]
With more than one argument, it concatenates several files. The combined result is by default also printed to the terminal, but often users redirect the result into yet another file. [ 9 ] Hence printing a single file to the terminal is a special use-case of this concatenation program.
Early implementations of symbolic links stored the symbolic link information as data in regular files. The file contained the textual reference to the link's target, and the file mode bits indicated that the type of the file is a symbolic link. This method was slow and an inefficient use of disk-space on small systems.
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A 2012 survey among Arch Linux users found that ranger was the most used text-based file manager among respondents, surpassing Midnight Commander, the second most widely used text-based file manager, by a factor of two and a half (20% to 8%).