Default parameter settings

Default parameter settings-general Linux technology-Linux technology and application information. For details, refer to the following section. When using commands, the system assumes that you are very clear about what you are doing, and it will not give you too many prompts, such as executing rm-Rf /, it will delete all the things on your hard disk and will not give you any prompts, so try to add the-I parameter when using the command, in order to let the system confirm before execution, to prevent you from doing something stupid.

If you think it is too troublesome to input-I every time, you can execute the following command to make-I the default parameter:

Alias rm = 'rm-I'

In this way, you can use this to set some default parameters.