推荐订阅源

1.修改ls显示格式

ls -l --time-style '+%Y/%m/%d %H:%M:%S'
drwxr-x--- 2 edwetl edwetl    4096 2019/01/03 21:08:45 arc_test

ls -l --time-style '+%Y%m%d %H:%M:%S'
drwxr-x--- 2 edwetl edwetl    4096 20190103 21:08:45 arc_test

2.修改配置到bash_profile

vi ~/.bash_profile
export TIME_STYLE='+%Y/%m/%d %H:%M:%S'

cat ~/.bash_profile | grep TIME 
source ~/.bash_profile

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PS:

ls与ll同理