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The article explains how to detect symbolic link loops in Linux using the `readlink -e` command, which is crucial for system maintenance and avoiding performance issues. Symbolic link loops occur when a symlink points directly or indirectly to itself, causing endless resolution attempts. The command helps identify these loops by fully resolving the symlink path and returning nothing if a loop is detected. Additional discussions include creating symlinks, software installation, and cross-platform compatibility of `readlink`.