the "~" losses its function.
Code:
[tomhsiung@Toms-Server /usr/home/tomhsiung/softwares]$ echo $HOME
/home/tomhsiung
[tomhsiung@Toms-Server /usr/home/tomhsiung/softwares]$ cd ..
[tomhsiung@Toms-Server /usr/home/tomhsiung]$ cd ..
[tomhsiung@Toms-Server /usr/home]$ ls -li
total 1
8 drwxr-xr-x 3 tomhsiung wheel 3 Jan 25 00:22 tomhsiung
[tomhsiung@Toms-Server /usr/home]$ cd ~
-bash: cd: /home/tomhsiung: No such file or directory
[tomhsiung@Toms-Server /usr/home]$