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 # nserver
 
+A nihilistic stats server written is part of reading Learn C the
+Harday.
+
+
+## compiling
+
+You'll need a C compiler (clang or gcc), the [gdbm][1] library and
+[GNU make][2].
+
+[1]: https://www.gnu.org.ua/software/gdbm
+[2]: https://www.gnu.org/software/make
+
+To compile the server, do:
+
+```
+make
+```
+
+To compile a debuggable version of the server, do:
+
+```
+make dev
+```
+
+The usual:
+
+```
+make clean
+```
+
+clean up things.
+
+
 ## statserve
 
 To start this server, do:
@@ -9,3 +42,30 @@ To start this server, do:
 ```
 
 It'll be listening on port 7899.
+
+You can connect as a client to the server via `nc`:
+
+```
+nc 127.0.0.1 7899
+```
+
+
+### client commands
+
+Recognized commands:
+
+
+```
+/create NAME
+/sample NAME
+/mean NAME
+/dump NAME
+/list
+/store NAME
+/load NAME ANOTHER_NAME
+```
+
+The `/store` command stores `NAME` in a persistent database on the disk.
+
+The `/load` command loads the `NAME` from the persistent database into
+memory at ANOTHER_NAME.