/proc/self/root/proc/thread-self
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 /.
00400000-7ffdb8314000 ---p 00000000 00:00 0 [rollup]Rss: 232476 kBPss: 231379 kBPss_Dirty: 180008 kBPss_Anon: 179980 kBPss_File: 51399 kBPss_Shmem: 0 kBShared_Clean: 1724 kBShared_Dirty: 0 kBPrivate_Clean: 50744 kBPrivate_Dirty: 180008 kBReferenced: 232476 kBAnonymous: 179980 kBKSM: 0 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB