/proc/4/root/proc/2/task/2/root/proc/thread-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 /.
1966f00000-7ffed53da000 ---p 00000000 00:00 0 [rollup]Rss: 275896 kBPss: 275102 kBPss_Anon: 219076 kBPss_File: 56026 kBPss_Shmem: 0 kBShared_Clean: 1584 kBShared_Dirty: 0 kBPrivate_Clean: 55236 kBPrivate_Dirty: 219076 kBReferenced: 275896 kBAnonymous: 219076 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB