unalias errors when installing 9.1 on linux

[Altera_Forum]

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.

[Altera_Forum]

which linux distro are you using?

[Altera_Forum]

do "csh install"

[Altera_Forum]

somebody help me please .. I'm with the same problem .. I tried to do "csh install", "sh install", "./install" .. and nothing til now .. :(