/proc/2/root/proc/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 /.
80e0cc0000-7ffcfa3e4000 ---p 00000000 00:00 0 [rollup]Rss: 130812 kBPss: 129994 kBPss_Anon: 74024 kBPss_File: 55970 kBPss_Shmem: 0 kBShared_Clean: 1632 kBShared_Dirty: 0 kBPrivate_Clean: 55156 kBPrivate_Dirty: 74024 kBReferenced: 130812 kBAnonymous: 74024 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB