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The standard security provided by PDF consists of two different methods and two different passwords: a user password, which encrypts the file and prevents opening, and an owner password, which specifies operations that should be restricted even when the document is decrypted, which can include modifying, printing, or copying text and graphics ...
Line editor. In computing, a line editor is a text editor in which each editing command applies to one or more complete lines of text designated by the user. Line editors predate screen-based text editors and originated in an era when a computer operator typically interacted with a teleprinter (essentially a printer with a keyboard ), with no ...
Print Screen. A 104-key PC US English keyboard layout with Print Scrn circled. Print Screen (often abbreviated Print Scrn, Prnt Scrn, Prnt Scr, Prt Scrn, Prt Scn, Prt Scr, Prt Sc, Pr Sc, or PS) is a key present on most PC keyboards. It is typically situated in the same section as the break key and scroll lock key.
COMMAND.COM is the default command-line interpreter for MS-DOS, Windows 95, Windows 98 and Windows Me. In the case of DOS, it is the default user interface as well. [2] It has an additional role as the usual first program run after boot ( init process ), hence being responsible for setting up the system by running the AUTOEXEC.BAT configuration ...
Type. Text editor. TECO ( / ˈtiːkoʊ / [1] ), short for Text Editor & Corrector, [2] [3] [4] is both a character-oriented text editor and a programming language, [5] [6] that was developed in 1962 for use on Digital Equipment Corporation computers, and has since become available on PCs and Unix. Dan Murphy developed TECO while a student at ...
Text editor. Editors like Leafpad, shown here, are often included with operating systems as a default helper application for opening text files. A text editor is a type of computer program that edits plain text. Such programs are sometimes known as " notepad " software (e.g. Windows Notepad ). [1] [2] [3] Text editors are provided with ...
The cursor for the Windows Command Prompt (appearing as an underscore at the end of the line) In most command-line interfaces or text editors, the text cursor, also known as a caret, is an underscore, a solid rectangle, or a vertical line, which may be flashing or steady, indicating where text will be placed when entered (the insertion point).
A Control key (marked "Ctrl") on a Windows keyboard next to one style of a Windows key, followed in turn by an Alt key The rarely used ISO keyboard symbol for "Control". In computing, a Control keyCtrl is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl+C).