Versuche dies
export PS1 = "[\ w] $"
Hier
w steht für das aktuelle Arbeitsverzeichnis
Weitere Informationen finden Sie unter diesem Link
Edit: Dies sind die Sonderzeichen, die Bash in PS1 und PS2 versteht
\a : an ASCII bell character (07) \d : the date in "Weekday Month Date" format (e.g., "Tue May 26") \D : the format is passed to strftime(3) and the result is inserted into the prompt string; an empty format results in a locale-specific time representation. The braces are required \e : an ASCII escape character (033) \h : the hostname up to the first '.' \H : the hostname \j : the number of jobs currently managed by the shell \l : the basename of the shell’s terminal device name \n : newline \r : carriage return \s : the name of the shell, the basename of $0 (the portion following the final slash) \t : the current time in 24-hour HH:MM:SS format \T : the current time in 12-hour HH:MM:SS format \@ : the current time in 12-hour am/pm format \A : the current time in 24-hour HH:MM format \u : the username of the current user \v : the version of bash (e.g., 2.00) \V : the release of bash, version + patch level (e.g., 2.00.0) \w : the current working directory, with $HOME abbreviated with a tilde \W : the basename of the current working directory, with $HOME abbreviated with a tilde \! : the history number of this command \# : the command number of this command \$ : if the effective UID is 0, a #, otherwise a $ \nnn : the character corresponding to the octal number nnn \\ : a backslash \[ : begin a sequence of non-printing characters, which could be used to embed a terminal control sequence into the prompt \] : end a sequence of non-printing characters