X-term Tutorial

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X-term Tutorial
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Outline

• What is xterm?
• Why do we need to be familiar with xterm?
• Starting xterm
• Mouse Button Issues
• Cutting and Pasting

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What is xterm?

• Xterm is an X-client program working under the
  X-windows system
• An X-windows client is any program running under
  the X-window graphical user interface system
• xterm provides a command line interface into a
  UNIX system
• Xterm is the preferred command line interface
  because it is distributed with all X-windows
  system

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Starting xterm

• Xterm is usually one of the first X-clients
  started when your X-window manager starts

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Xterm can be started from a menu
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Xterm can be started through spawning
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Xterm titles and ornamentation
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Mouse Button Issues

• X-window system assume a 3-button mouse system
• Behavior of each of the buttons can be
  reconfigured by the user
• In general, we will use the defaults
• In emulating systems that have less than 3
  buttons
• 3rd button may be simulated by clicking two
  buttons simultaneously (2-button system)
• Two other buttons may be simulated by clicking
  button while holding different keys down
  (1-button system)

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Xterm controls(Ctrl-left mouse button)
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Xterm controls(Ctrl-middle mouse button)
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Useful VT Options

• Enable Scroll Bar
• Allows you to scroll back to look at saved text
  information
• Useful for cutting and pasting information that
  has scrolled off the screen
• Enable Reverse Wraparound
• Allows the proper positioning of cursor when
  deleting text on command line that has wrapped
  around

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Xterm controls(Ctrl-right mouse button)
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Cutting and Pasting of text information

• Selecting text
• Word
• Whole or partial lines
• Multiple lines
• Pasting text

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Selecting a word

• Left mouse button double clicking
• Selects a word

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Selecting text by dragging

• Left mouse button drag
• Selects text in the drag area

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Selecting text by specifying start and stop
locations

• Left mouse button click at starting text position
  followed by a right button mouse click at ending
  text position
• Selects text region between starting and ending
  text points

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Pasting Text

• Middle mouse button click
• Pastes text at cursor location

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Other issues

• These actions of cutting and pasting works for
  most X-client programs under UNIX
• Stick to xterm as your main port into UNIX and
  you will have little problems migrating from one
  UNIX platform to another