The Local Descriptor Table (LDT) is a memory table used in the x86 architecture in protected mode and containing memory segment descriptors: start in linear memory, size, executability, writability, access privilege, actual presence in memory, etc.
The LDT is the sibling of the Global Descriptor Table (GDT) and similarly defines up to 8191 memory segments accessible to programs.
Read more about Local Descriptor Table: History, Modern Usage
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