Shaohua Fan Reading time ~1 minute

Linux命令: ln

建立软连接:

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$sudo ln -s ruby2.0 ruby
$ll | grep ruby
lrwxrwxrwx  1 root root           7 Oct 20 17:46 ruby -> ruby2.0*
-rwxr-xr-x  1 root root        6304 Nov 19  2014 ruby1.9.1*
-rwxr-xr-x  1 root root        6264 Nov 19  2014 ruby2.0*

删除软连接:

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$sudo rm ruby
Shaohua Fan Reading time ~1 minute

Linux命令 : Date

显示系统时间

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$ date
Fri Oct 16 16:05:23 CEST 2015

加减天数

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$ date -d "+1 day"
Sat Oct 17 16:05:47 CEST 2015

显示Unix 时间戳timestamp

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$ date +%s
1445004467

根据Unix时间戳显示date

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$ date --date="@1461316410"
Fri Apr 22 17:13:30 CST 2016