/proc/self/root/proc/4/task/10
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 /.
3b86880000-7ffde878d000 ---p 00000000 00:00 0 [rollup]Rss: 222564 kBPss: 221800 kBPss_Anon: 165804 kBPss_File: 55996 kBPss_Shmem: 0 kBShared_Clean: 1524 kBShared_Dirty: 0 kBPrivate_Clean: 55236 kBPrivate_Dirty: 165804 kBReferenced: 222564 kBAnonymous: 165804 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB