ramesh@dev-db ~> export PS1="\u@\h [\$(date
+%k:%m:%S)]> "
ramesh@dev-db [11:09:56]>
你还可以像下面这样通过\t参数显示hh:mm:ss 格式的时间;
ramesh@dev-db ~> export PS1="\u@\h [\t]> "
ramesh@dev-db [12:42:55]>
又或者通过\@参数在当前命令窗口显示12小时制am/pm格式的时间:
ramesh@dev-db ~> export PS1="[\@] \u@\h> "
[04:12 PM] ramesh@dev-db>
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