Analysis of the command prompt format in Linux

Analysis of the command prompt format in Linux

Generally, the command prompt format is "[user name @ Computer Name Current Directory] command prompt". Of course, you can modify it, that is, edit ~ /. Bashrc file, find the PS1 definition, in which PS1 is the variable that defines the command prompt.

The meanings of each symbol are as follows:

\ U is the current Login User Name

\ H is the name of the current computer

\ H is the full name of the current computer domain name

\ W is the current directory

\ W is the last entry of the current directory, that is, basenmae

\ $ The average user is $, and the root user is #

\ T is the current time, in the 24-hour format

\ T is the current time, in 12-hour format

\ @ Display AM or PM

\ D current date

\ V is a bash version.

\ V is the bash release version.

\ S is the shell Name

\! Is the history number of the bash command

\ J is the job serial number

\ L is the terminal name of shell.

The above \ W is shorter than \ w