/proc/2/root/proc/self/task/4/root/proc/thread-self/root/proc/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 /.
3a640c0000-7fff186dc000 ---p 00000000 00:00 0 [rollup]Rss: 127216 kBPss: 126384 kBPss_Anon: 70396 kBPss_File: 55988 kBPss_Shmem: 0 kBShared_Clean: 1660 kBShared_Dirty: 0 kBPrivate_Clean: 55160 kBPrivate_Dirty: 70396 kBReferenced: 127216 kBAnonymous: 70396 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB