Display history record command execution time in Bash
Source: Internet
Author: User
Bash displays the execution time of commands recorded by history. Bash displays the execution time of commands recorded by history. In fact, Linux has long recorded the time when we hit each command. This adjustment can greatly enrich the readability of history. of course, this is also the self-check of information security audit...
Bash displays the execution time of commands recorded by history. Bash displays the execution time of commands recorded by history. In fact, Linux has long recorded the time when we hit each command. The adjustments in this way can greatly enrich the readability of history. of course, this is also a self-check method in information security audit. if your Shell has a good grasp of this kind of thing, you can totally put it apart, learn and use it, but it is better to remember it. So I wrote it down for my reference (the above is purely my opinion and does not participate in the discussion. the following command is absolutely correct ^-^) www.2cto.com [root @ unix-like-test ~] # Export HISTTIMEFORMAT = '% F % T-' [root @ unix-like-test ~] # History 1 14:50:22-vim/etc/selinux/config 2 2012-10-010-09 14:50:22-yum install vim 3 2012-10-010-09 14:50:22-vi/etc/yum. repos. d/iso. repo 4 14:50:22-yum install vim 5 14:50:22-vi/etc/yum. repos. d/iso. repo 6 14:50:22-yum install vim 7 14:50:22-yum gruop list 8 14:50:22-yum gruoplist 9 14:50:22-yum gruopinstall 10 14:50:22-yum install yum 11 14:50:22-yum install yum 11-yum install yum * 12 14:50:22-vim 13 14:50:22-yum install man 14 14:50:22-yum install scp 15 14:50:22-yum install sshd * 16 14:50:22-yum install sshd 17 14:50:22- yum groupinstall "Server Configuration Tools" 18 14:50:22-yum grouplist
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