/proc/2/root/proc/4/root/proc/self/task/5/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 /.
51a240000-7ffe3033d000 ---p 00000000 00:00 0 [rollup]Rss: 144396 kBPss: 143692 kBPss_Anon: 87672 kBPss_File: 56020 kBPss_Shmem: 0 kBShared_Clean: 1404 kBShared_Dirty: 0 kBPrivate_Clean: 55320 kBPrivate_Dirty: 87672 kBReferenced: 144396 kBAnonymous: 87672 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB