/proc/4/root/proc/4/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 /.
7bdb80000-7ffc929c8000 ---p 00000000 00:00 0 [rollup]Rss: 228012 kBPss: 227254 kBPss_Anon: 172516 kBPss_File: 54738 kBPss_Shmem: 0 kBShared_Clean: 1512 kBShared_Dirty: 0 kBPrivate_Clean: 53984 kBPrivate_Dirty: 172516 kBReferenced: 228012 kBAnonymous: 172516 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB