[求教]在安装sybyl时遇到的问题！求教高人！

[: 14: -a: unexpected operator
Copying install files...
Copying python files...
Unzipping python files...
Exception in Tkinter callback
Traceback (most recent call last):
File "/dsw/testing/pbondi/scratch/sybuny70_wh/cd1a/linux_python/lib/python2.1/lib-tk/Tkinter.py", line 1285, in __call__
return apply(self.func, args)
File "/usr/tmp/TA_INSTALL1858/installDlg.py", line 428, in doInstall
self.install()
File "/usr/tmp/TA_INSTALL1858/installDlg.py", line 652, in install
self.installIt(x)
File "/usr/tmp/TA_INSTALL1858/installDlg.py", line 780, in installIt
self.installItHere(product, self.taroot, self.plats)
File "/usr/tmp/TA_INSTALL1858/installDlg.py", line 883, in installItHere
os.execl(tmpDir+"gztar.sh","gztar.sh",cdname)
File "/dsw/testing/pbondi/scratch/sybuny70_wh/cd1a/linux_python/lib/python2.1/os.py", line 259, in execl
execv(file, args)
OSError: [Errno 2] No such file or directory

请教解决方法！无限感激！