Answer
Docker uses namespaces for PID, NET, IPC, UTS, and MNT. Each container sees its own isolated OS view.
Quick Answer
Linux namespaces are kernel features that partition global resources into isolated views. Docker uses: PID namespace (container sees its own process tree), NET namespace (its own network stack), MNT namespace (its own filesystem view), UTS (its own hostname), IPC (its own inter-process communication). Each container gets a fresh set.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ