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
How to display `top` results sorted by memory usage in real time? press shift+m after running the top command; or you can interactively choose which column to sort on; press f to enter the interactive menu; press the up or down arrow until the %MEM choice is highlighted; press s to select %MEM choice; press enter to save your selection; press q to exit the interactive menu; Or specify the sort order on the