video demonstration of Context Sensitive Help and Command Syntax Check

Context Sensitive Help and Command Syntax Check

The IOS has two forms of help available:

Context-Sensitive Help Command Syntax Check Context-sensitive help enables you to quickly find which commands are available in each command mode, which commands start with specific characters or group of characters, and which arguments and keywords are available to particular commands. To access context-sensitive help, simply enter a question mark, ?, at the CLI.

Command syntax check verifies that a valid command was entered by the user. When a command is entered, the command line interpreter evaluates the command from left to right. If the interpreter understands the command, the requested action is executed, and the CLI returns to the appropriate prompt. However, if the interpreter cannot understand the command being entered, it will provide feedback describing what is wrong with the command.

Click Play in the figure to view a video demonstration of context-sensitive help and command syntax check.

Categories: COURS-IT