/proc/4/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 /.
626ec0000-7fffd9ff0000 ---p 00000000 00:00 0 [rollup]Rss: 179008 kBPss: 178194 kBPss_Anon: 122160 kBPss_File: 56034 kBPss_Shmem: 0 kBShared_Clean: 1624 kBShared_Dirty: 0 kBPrivate_Clean: 55224 kBPrivate_Dirty: 122160 kBReferenced: 179008 kBAnonymous: 122160 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB