unalias errors when installing 9.1 on linux

I need to instal Quartus II 9.1 on linux, and I get this error when I run "install"

unalias: adm.gz not found
unalias: agx_we.gz not found
unalias: aii_we.gz not found
unalias: common.gz not found
unalias: compare not found
unalias: cusp.gz not found
unalias: cyc3_we.gz not found
unalias: cyc4e_we.gz not found
unalias: cyc4gx_we.gz not found
unalias: cyc_we.gz not found
unalias: cycii_we.gz not found
unalias: dev_info.txt not found
unalias: devinfo_we.gz not found
unalias: dsp_builder.gz not found
unalias: eda.gz not found
unalias: gpl_lic.txt not found
unalias: gtar not found
unalias: gzip not found
unalias: help.gz not found
unalias: install not found
unalias: ip.gz not found
unalias: ip_lic.txt not found
unalias: libraries.gz not found
unalias: license.txt not found
unalias: linux.gz not found
unalias: lmf.gz not found
unalias: m3k_we.gz not found
unalias: m7k_we.gz not found
unalias: m7ka_we.gz not found
unalias: manifest.txt not found
unalias: maxii_we.gz not found
unalias: md5sum.txt not found
unalias: perlsrc.gz not found
unalias: qcleanup not found
unalias: qdesigns.gz not found
unalias: qt not found
unalias: readme.txt not found
unalias: sgx_we.gz not found
unalias: sgxii_we.gz not found
unalias: sopc.gz not found
unalias: space.txt not found
unalias: stub.csh not found
unalias: stx2_we.gz not found
unalias: stx3_we.gz not found
unalias: stx4_we.gz not found
unalias: stx_we.gz not found
unalias: sys_reqs.txt not found
unalias: tutorial.gz not found
unalias: version.txt not found
install: 109: Syntax error: "else" unexpected (expecting "fi")

All those files listed are actually there, so I don't know what the issue is. Please advise.