PSW (program status word) : Program status word refers to the accumulator and flag register, this PSW will store the current data or the content of the accumulator and flag register while execution of program.
A window editor is a program used for editing the plain text file these type of editor are provided with operating system example of one of window editor is notepad which allow the user to search and replace copy, cut and paste, undo and redo operation and also you will perform importing filtering operation with this notepad text of editor.
Vi is the full screen editor available with all unix system. Vi is visual editor enable the user to create, edit, and correct source program, Vi makes complete use of the keyboard where pretically every key has function.
A window editor is a program used for editing the plain text file these type of editor are provided with operating system example of one of window editor is notepad which allow the user to search and replace copy, cut and paste, undo and redo operation and also you will perform importing filtering operation with this notepad text of editor.
Vi is the full screen editor available with all unix system. Vi is visual editor enable the user to create, edit, and correct source program, Vi makes complete use of the keyboard where pretically every key has function.
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