Windows CR and LF Linux: LF only Files saved in Windows and they have errors when exectured in the Linux. /bin/bash^M: bad interpreter: そのようなファイルやディレクトリはありません /bin/bash^M: bad interpreter: No such file or directory It is because files are stored with \r\n and it needs to be corrected with \n. cat -e displays LF as $ and CR as ^M . cat -e filename http://totech.hateblo.jp/entry/2014/03/19/174129 http://d.hatena.ne.jp/JiaLu/20090911/1252627589