“Permission denied” error in Oracle10g installation

Reason: Before the software was uploaded to the Linux server, it was unzipped and then uploaded in the Windows environment. When it was uploaded, it was already the folder after decompression, so the execution permission of those three files was lost.
1, enter database folder
2, chmod 755 runInstaller(grant permissions)
3, enter install LLL a(view files)
4, chmod 755. Oui (solve install/. Oui this hidden file does not have permissions to execute)
5, chmod 755 unzip(solve unzip permissions)
6, then execute in the Database folder./runInstaller

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