#在/etc/profile中增加环境变量HISTTIMEFORMAT="%F %T "
sed -i '/export/iHISTTIMEFORMAT="%F %T "\n' /etc/profile
#export 环境变量
sed -i '/export/s/$/ HISTTIMEFORMAT/' /etc/profile
#当前shell下即刻生效
export HISTTIMEFORMAT="%F %T "
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Using the Local RACADM Command Line Interface Integrated Dell™ Remote Access Controller Firmware Version 1.2 User Guide ( can work for i...
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使用sed删除匹配行及上下几行 删除包含DATA Partition的行，同时删除这行的后面2行和上面3行 sed -i ‘/DATA Partition/,+2d;:go;1,3!{P;N;D};N;bgo’ report.cfg 参考文档： sed ‘/5/,...
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Refer to http://winaero.com/blog/how-to-get-the-windows-product-key-without-using-third-party-software/ If you lost, cannot retrieve or ...
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