What is `^M` and how do I get rid of it? - Unix Linux Stack Exchange The ^M is a carriage-return character If you see this, you're probably looking at a file that originated in the DOS Windows world, where an end-of-line is marked by a carriage return newline pair, whereas in the Unix world, end-of-line is marked by a single newline Read this article for more detail, and also the Wikipedia entry for newline This article discusses how to set up vim to
g 应是 9. 8 N kg，还是 9. 8 m s²？ - 知乎 的回答。 这个问题的本质就是普通的单位换算 N k g = k g ⋅ m ⋅ s − 2 k g = m s 2 N kg=kg\cdot m\cdot s^ {-2} kg=m s^ {2} ，跟等效原理没有任何关系，也跟广义相对论没有任何关系。因为对于一个完全由牛顿引力理论描述而不遵循广义相对论的宇宙，在其中 9 8 N k g = 9 8 m s 2 9 8N kg=9 8m s^ {2} 仍然是成立的。
Remove ^M character from log files - Unix Linux Stack Exchange Remove ^M character from log files In my script I redirect output of my program to a log file The output of my log file contains some ^M (newline) characters I need to remove them while running