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chroot is an operation on Unix and Unix-like operating systems that changes the apparent root directory for the current running process and its children.A program that is run in such a modified environment cannot name (and therefore normally cannot access) files outside the designated directory tree.
In DOS systems, file directory entries include a Hidden file attribute which is manipulated using the attrib command. Using the command line command dir /ah displays the files with the Hidden attribute. In addition, there is a System file attribute that can be set on a file, which also causes the file to be hidden in directory listings.
Assign the drive letter A: to the first floppy disk drive (drive 0), and B: to the second floppy disk drive (drive 1). If only one physical floppy is present, drive B: will be assigned to a phantom floppy drive mapped to the same physical drive and dynamically assigned to either A: or B: for easier floppy file operations.
In Unix-like operating systems, a device file, device node, or special file is an interface to a device driver that appears in a file system as if it were an ordinary file. There are also special files in DOS , OS/2 , and Windows .
The mkdir (make directory) command in the Unix, DOS, DR FlexOS, [1] IBM OS/2, [2] Microsoft Windows, and ReactOS [3] operating systems is used to make a new directory. It is also available in the EFI shell [4] and in the PHP scripting language. In DOS, OS/2, Windows and ReactOS, the command is often abbreviated to md.
Deleted email moves to the Trash folder where it'll be emptied later. The AOL Mail app has many options to delete emails. Quickly delete 1 email by tapping and holding the email you want to delete and then tap the Delete icon at the bottom of the page or learn how to delete multiple emails at a time.
Command-line interpreters allow users to issue various commands in a very efficient (and often terse) way. This requires the user to know the names of the commands and their parameters, and the syntax of the language that is interpreted. The Unix #! mechanism and OS/2 EXTPROC command facilitate the passing of batch files to external processors ...
You've Got Mail!® Millions of people around the world use AOL Mail, and there are times you'll have questions about using it or want to learn more about its features. That's why AOL Mail Help is here with articles, FAQs, tutorials, our AOL virtual chat assistant and live agent support options to get your questions answered.