/proc/4/task/10/root/proc/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 /.
5390780000-7ffe80eef000 ---p 00000000 00:00 0 [rollup]Rss: 90520 kBPss: 89712 kBPss_Anon: 35148 kBPss_File: 54564 kBPss_Shmem: 0 kBShared_Clean: 1612 kBShared_Dirty: 0 kBPrivate_Clean: 53760 kBPrivate_Dirty: 35148 kBReferenced: 90520 kBAnonymous: 35148 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB