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Zero-copy programming techniques can be used when exchanging data within a user space process (i.e. between two or more threads, etc.) and/or between two or more processes (see also producer–consumer problem) and/or when data has to be accessed / copied / moved inside kernel space or between a user space process and kernel space portions of operating systems (OS).
Carbonless copy paper was first produced by the NCR Corporation, applying for a patent on June 30, 1953. [2] Formerly, the options were to write documents more than once or use carbon paper, which was inserted between the sheet being written upon and the copy. Carbonless paper was used as business stationery requiring one or more copies of the ...
Carbon Copy Cloner has been extensively covered in Apple-related publications, and received positive reviews. [7] The Verge 's Chris Welch called it "an essential utility" for advanced users, but also said that Apple's simpler Time Machine was sufficient for most users.
This included a common toolbar running down the left side of the screen, and a number of standardized tool palettes. In addition, the Pro series also used common international spelling dictionaries and a thesaurus. The result was a suite of products that all look and work the same way, and are able to read and write each other's formats.
Copyleft is the legal technique of granting certain freedoms over copies of copyrighted works with the requirement that the same rights be preserved in derivative works. In this sense, freedoms refers to the use of the work for any purpose, and the ability to modify, copy, share, and redistribute the work, with or without a fee.
Copy-on-write can be implemented efficiently using the page table by marking certain pages of memory as read-only and keeping a count of the number of references to the page. When data is written to these pages, the operating-system kernel intercepts the write attempt and allocates a new physical page, initialized with the copy-on-write data ...
It is very hard to write a great second novel. Often, a first novel is the product of many years of work, a buildup of everything an individual artist has inside of them that bursts forth in a ...
The inversion from verb—object to object—verb on which copy and paste are based, where the user selects the object to be operated before initiating the operation, was an innovation crucial for the success of the desktop metaphor as it allowed copy and move operations based on direct manipulation. [3]