Setting Access Permissions
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To set the modes (access permissions) of extracted files to those
recorded for those files in the archive, use `--same-permissions' in
conjunction with the `--extract' (`--get', `-x') operation.
`--preserve-permission'
`--same-permission'
`--ignore-umask'
`-p'
Set modes of extracted archive members to those recorded in the
archive, instead of current umask settings. Use in conjunction
with `--extract' (`--get', `-x').