/proc/thread-self/root/proc/thread-self/root/proc/self/root/proc/12/task/12
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 /.
00400000-7fffb4e6a000 ---p 00000000 00:00 0 [rollup]Rss: 107556 kBPss: 106398 kBPss_Anon: 54480 kBPss_File: 51918 kBPss_Shmem: 0 kBShared_Clean: 1804 kBShared_Dirty: 0 kBPrivate_Clean: 51272 kBPrivate_Dirty: 54480 kBReferenced: 107556 kBAnonymous: 54480 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB