cd /usr/share/applications
touch 文件名
gedit 文件名
以pycharm为例
[Desktop Entry]

Type=Application

Name=Pycharm

GenericName=Pycharm3

Comment=Pycharm3:The Python IDE

Exec="/home/rufus/pycharm-community-2019.2.4/bin/pycharm.sh"

Icon= /home/rufus/pycharm-community-2019.2.4/bin/pycharm.png

Terminal=false

Categories=Pycharm;

上面的引号不要掉,然后双击即可