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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.
If rd/rmdir gets executed without regard to case sensitivity and Windows chooses the legitimate folder to delete, the only folder left is the undesired one. Windows then uses this folder instead of the previously legitimate one to execute programs, and one may be led to believe it contains legitimate data.
shred is a command on Unix-like operating systems that can be used to securely delete files and devices so that it is extremely difficult to recover them, even with specialized hardware and technology; assuming recovery is possible at all, which is not always the case.
Inadvertent typing errors such as rm-rf * / (instead of the intended rm -rf */) are folklore in the Unix community; a single extra space converts the command from one that deletes all subdirectories contained in the current directory, to one which deletes everything from the file system's root directory.
To finally delete files, clicking on "Empty" brings up a warning that this cannot be undone, and an option to delete. [ 26 ] Putting items in the Trash folder moves them to a hidden temporary folder: for the boot disk, a user account has this at /Users/username/.Trash/ ; each mounted volume such as an external drive has a hidden folder in the ...
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Directory utilities may also include capabilities to create additional links to a directory (hard links in Unix), to rename parent links (".." in Unix-like operating systems), [clarification needed] and to create bidirectional links to files. File utilities create, list, copy, move and delete files, and alter metadata.
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