3-20
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
Chapter 3 CLI Tips, Techniques, and Shortcuts
Key Combinations
Redisplaying the Command Line
If the system sends a message to the screen while a command is being entered, the current command line
entry can be redisplayed using the Ctrl-L or Ctrl-R key combination.
Key Combinations
The following sections provide information on key combinations:
• Key Combinations to Move the Cursor, page 3-20
• Keystrokes to Control Capitalization, page 3-20
• Keystrokes to Delete CLI Entries, page 3-21
Key Combinations to Move the Cursor
Table 3-8 shows the key combinations or sequences you can use to move the cursor around on the
command line to make corrections or changes. When you use cursor control keys, consider the following
guidelines:
• Ctrl indicates the Control key, which must be pressed simultaneously with its associated letter key.
• Esc indicates the Escape key, which must be pressed first, followed by its associated letter key.
• Keys are not case sensitive.
Table 3-8 Key Combinations Used to Move the Cursor
Keystrokes to Control Capitalization
Letters can be capitalized or uncapitalized using simple key sequences. Table 3-9 describes the keystroke
combinations used to control capitalization.
Note Cisco IOS XR commands are generally case insensitive, and are typically all in lowercase.
Keystrokes Function Moves the Cursor
Left Arrow or Ctrl-B Back character One character to the left.When you enter a command that extends
beyond a single line, you can press the left arrow or Ctrl-B keys
repeatedly to scroll back toward the system prompt and verify the
beginning of the command entry, or you can press the Ctrl-A key
combination.
Right Arrow or Ctrl-F Forward character One character to the right.
Esc, B Back word Back one word.
Esc, F Forward word Forward one word.
Ctrl-A Beginning of line To the beginning of the line.
Ctrl-E End of line To the end of the command line.
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