/proc/thread-self/root/proc/2/root/proc/thread-self/root/proc/4/task/5
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 /.
10b0d40000-7ffe02650000 ---p 00000000 00:00 0 [rollup]Rss: 269672 kBPss: 268862 kBPss_Anon: 212804 kBPss_File: 56058 kBPss_Shmem: 0 kBShared_Clean: 1616 kBShared_Dirty: 0 kBPrivate_Clean: 55252 kBPrivate_Dirty: 212804 kBReferenced: 269672 kBAnonymous: 212804 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB