/proc/4/task/9/root/proc/thread-self/root/proc/self/task/4/root/proc/4/task/4
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
7df880000-7ffc4034c000 ---p 00000000 00:00 0 [rollup]Rss: 252144 kBPss: 251326 kBPss_Anon: 195460 kBPss_File: 55866 kBPss_Shmem: 0 kBShared_Clean: 1632 kBShared_Dirty: 0 kBPrivate_Clean: 55052 kBPrivate_Dirty: 195460 kBReferenced: 252144 kBAnonymous: 195460 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB