/proc/2/task/2
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 /.
55ca355c1000-7ffe4f547000 ---p 00000000 00:00 0 [rollup]Rss: 5468 kBPss: 4704 kBPss_Anon: 2248 kBPss_File: 2456 kBPss_Shmem: 0 kBShared_Clean: 1524 kBShared_Dirty: 0 kBPrivate_Clean: 1696 kBPrivate_Dirty: 2248 kBReferenced: 5468 kBAnonymous: 2248 kBLazyFree: 0 kBAnonHugePages: 0 kBShmemPmdMapped: 0 kBFilePmdMapped: 0 kBShared_Hugetlb: 0 kBPrivate_Hugetlb: 0 kBSwap: 0 kBSwapPss: 0 kBLocked: 0 kB