/proc/self/root/proc/4/task/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 /.
30a013c0000-7ffca51ad000 ---p 00000000 00:00 0 [rollup]Rss: 72068 kBPss: 71324 kBPss_Anon: 23696 kBPss_File: 47628 kBPss_Shmem: 0 kBShared_Clean: 1484 kBShared_Dirty: 0 kBPrivate_Clean: 46888 kBPrivate_Dirty: 23696 kBReferenced: 72068 kBAnonymous: 23696 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB