/proc/self/root/proc/self/root/proc/thread-self/root/proc/2/root/proc/self/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 /.
27ab840000-7ffcc21fd000 ---p 00000000 00:00 0 [rollup]Rss: 204748 kBPss: 203954 kBPss_Anon: 148028 kBPss_File: 55926 kBPss_Shmem: 0 kBShared_Clean: 1584 kBShared_Dirty: 0 kBPrivate_Clean: 55136 kBPrivate_Dirty: 148028 kBReferenced: 204748 kBAnonymous: 148028 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB