.ZP file extraction not working on Linux

Hello all,
The OS I am working with is Unix (SLES 10).
Can someone please provide instruction as to how to extract .ZIP files downloaded from Marketplace?
I have downloaded a file called :
51034992_8.ZIP It is called : SAP_ERP_6.0_SR3_IDES_Inst._Master
When extracting the sapinst file has the following permissions, I then do "ls -lrt sapinst*
I get
-rw-rr 1 root root 21817908 Mar  6  2008 sapinst
Soooooo - this means I can't run it because  I cannot execute it.
Is one supposed to use unzip to unzip the .ZIP files or something else?
Why are the permissions wrong? Why after extraction can I not run sapinst?
TIA

I have downloaded a file called :
51034992_8.ZIP It is called : SAP_ERP_6.0_SR3_IDES_Inst._Master
When extracting the sapinst file has the following permissions, I then do "ls -lrt sapinst*
I get
-rw-rr 1 root root 21817908 Mar 6 2008 sapinst
Soooooo - this means I can't run it because I cannot execute it.
Is one supposed to use unzip to unzip the .ZIP files or something else?
Of course you should unzip it and then navigate inside to the currresponding file named sapinst in the correct folder of your os and database inside the installation master DVD which you have downloaded.
Regards,
Jazz

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