/proc/thread-self/root/proc/self/task/5
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 /.
465180000-7ffc4ebe5000 ---p 00000000 00:00 0 [rollup]Rss: 270712 kBPss: 269962 kBPss_Anon: 213992 kBPss_File: 55970 kBPss_Shmem: 0 kBShared_Clean: 1496 kBShared_Dirty: 0 kBPrivate_Clean: 55224 kBPrivate_Dirty: 213992 kBReferenced: 270712 kBAnonymous: 213992 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB