Xshell + SVN use

1. Switching directory like directory cd + jump to
2. File Browser ls ll (ll full information)
3. svn update svn up
4. Vi editor
5. vi command file save and quit:
   : q quit in the case file without any modification.
   : Q forced to quit without saving changes made to the file!.
   : Wq to save the changes made to the file and exit.
   : W to save the file.
6. View the current directory pwd
7. Switching the current user, or to change to the superuser su
8. Connect to the database mysql -h 10.0.0.1 -uroot -p