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To save space, only one copy of the shared library is loaded into physical memory. Programs which use the same library have virtual addresses that map to the same pages (which contain the library's code and data). When programs want to modify the library's code, they use copy-on-write, so memory is only allocated when needed.
In computing, a system image is a serialized copy of the entire state of a computer system stored in some non-volatile form, such as a binary executable file.. If a system has all its state written to a disk (i.e. on a disk image), then a system image can be produced by copying the disk to a file elsewhere, often with disk cloning applications.
This article provides a list of inbuilt and third party file copying and moving software - utilities and other software used, as part of computer file management, to explicitly move and copy files and other data on demand from one location to another on a storage device. File copying is a fundamental operation for data storage.
Loading a program involves either memory-mapping or copying the contents of the executable file containing the program instructions into memory, and then carrying out other required preparatory tasks to prepare the executable for running. Once loading is complete, the operating system starts the program by passing control to the loaded program ...
Fast Hack'em was updated often, and later versions added more copying options. The one feature that stood out from other copying programs was that these updates include parameters. They include the methods of copy protection individual programs use so even a fast copy can then be artificially re-protected and give a working copy.
Disk cloning is the process of duplicating all data on a digital storage drive, such as a hard disk or solid state drive, using hardware or software techniques. [1] Unlike file copying, disk cloning also duplicates the filesystems, partitions, drive meta data and slack space on the drive. [2]
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The first spooling programs, such as IBM's "SPOOL System" (7070-IO-076) copied data from punched cards to magnetic tape, and from tape back to punched cards and printers. Hard disks , which offered faster I/O speeds and support for random access , started to replace the use of magnetic tape for spooling in the middle 1960s, and by the 1970s had ...