将/etc/issue文件中的内容转换为大写后保存至/tmp/issue.out文件中

少年意气强不羁,虎胁插翼白日飞。这篇文章主要讲述将/etc/issue文件中的内容转换为大写后保存至/tmp/issue.out文件中相关的知识,希望能为你提供帮助。
cat /etc/issue
tr a-z A-Z < /etc/issue > /tmp/issue.out
cat /tmp/issue.out





cat /etc/issue | tr [:lower:] [:upper:] > /tmp/issue.out
【将/etc/issue文件中的内容转换为大写后保存至/tmp/issue.out文件中】cat /tmp/issue.out




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