/proc/self/root/proc/thread-self/root/proc/self/root/proc/self/task/20
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 /.
00400000-7ffd573d4000 ---p 00000000 00:00 0 [rollup]Rss: 158476 kBPss: 157329 kBPss_Anon: 105304 kBPss_File: 52025 kBPss_Shmem: 0 kBShared_Clean: 1796 kBShared_Dirty: 0 kBPrivate_Clean: 51376 kBPrivate_Dirty: 105304 kBReferenced: 158476 kBAnonymous: 105304 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB