Ubuntufishshell installation and preparation

Ubuntufishshell is a very good shell in ubuntu, because it can check whether the command you entered is correct, install as follows: www.2cto. comsudoapt-getinstallfish: input fish directly from bash to fish to prepare fish ,... ubuntu fish shell installation and preparation of fish is a very good shell in ubuntu, because it can check whether your input command is correct, the installation is as follows: www.2cto.com sudo apt-get install fish directly input fish from bash to fish. you only need to modify the file/etc/fish/config. fish. For example, you can add www.2cto.com alias opdf = 'xdg-Open' at the end of this file to save the file, so that the fish can recognize the opdf command.