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tail has two special command line option -f and -F (follow) that allows a file to be monitored. Instead of just displaying the last few lines and exiting, tail displays the lines and then monitors the file. As new lines are added to the file by another process, tail updates the display. This is particularly useful for monitoring log files.
less can be invoked with options to change its behaviour, for example, the number of lines to display on the screen. A few options vary depending on the operating system. While less is displaying the file, various commands can be used to navigate through the file. These commands are based on those used by both more and vi. It is also possible ...
Text mode is a computer display mode in which content is internally represented on a computer screen in terms of characters rather than individual pixels.Typically, the screen consists of a uniform rectangular grid of character cells, each of which contains one of the characters of a character set; at the same time, contrasted to graphics mode or other kinds of computer graphics modes.
-f: Causes more to count logical, rather than screen lines (i.e., long lines are not folded).-p: Do not scroll. Instead, clear the whole screen and then display the text.-c: Do not scroll. Instead, paint each screen from the top, clearing the remainder of each line as it is displayed.-s: Squeeze multiple blank lines into one.
Each screen character is represented by two bytes aligned as a 16-bit word accessible by the CPU in a single operation. The lower (or character) byte is the actual code point for the current character set, and the higher (or attribute) byte is a bit field used to select various video attributes such as color, blinking, character set, and so forth. [6]
Make web pages easy to read for you! With simple keyboard shortcuts, you can zoom in or out to make text larger or smaller. In an instant, these commands improve the readability of the content you're viewing. • Zoom in - Press Ctrl (CMD on a Mac) + the plus key (+) on your keyboard.
Text processing Optional (UP) Screen-oriented (visual) display editor 1BSD wait: Process management Mandatory Await process completion Version 4 AT&T UNIX wc: Text processing Mandatory Line, word and byte or character count Version 1 AT&T UNIX what: SCCS: Optional (XSI) Identify SCCS files PWB UNIX who: System administration Optional (XSI)
If the font size in your messages list and emails is causing readability issues, changing it may help. To increase the font size: 1. Click the Settings Icon. 2. Toggle on Enable large text size to increase text size. To switch back to the default font size, toggle this setting off again.