Linux Command Prompt PS1 settings

Linux Command Prompt PS1 settings-Linux general technology-Linux programming and kernel information, the following is a detailed description. 1. Current prompt:
Echo $ PS1

2. Set the prompt:
Set it in the. bash_profile file under the root directory of the user (this file does not exist, it is created), for example:
PS1 = "[\ u @ \ W] \ $"
Export PS1

3. Parameter meaning
\ D: represents the date, in the format of weekday month date, for example: "Mon Aug 1"
\ H: complete host name. For example, if my machine name is fc4.linux, this name is fc4.linux.
\ H: only the first name of the host. In the preceding example, the name is fc4, and the name of. linux is omitted.
\ T: The display time is in the 24-hour format, for example, HH: MM: SS.
\ T: The display time is in the 12-hour format.
\ A: The display time is in the 24-hour format: HH: MM.
\ U: Account name of the current user
\ V: BASH version information
\ W: complete working directory name. In the home directory ~ Replace
\ W: Use basename to get the working directory name. Therefore, only the last directory is listed.
#: Commands issued
\ $: The prompt character. If it is root, the prompt is: #, and the normal user is: $