diff --git a/interfaces/05-log-parser/01-methods/changes.md b/interfaces/log-parser/01-methods/changes.md
similarity index 100%
rename from interfaces/05-log-parser/01-methods/changes.md
rename to interfaces/log-parser/01-methods/changes.md
diff --git a/interfaces/05-log-parser/01-methods/log.txt b/interfaces/log-parser/01-methods/log.txt
similarity index 100%
rename from interfaces/05-log-parser/01-methods/log.txt
rename to interfaces/log-parser/01-methods/log.txt
diff --git a/interfaces/05-log-parser/01-methods/log_err_missing.txt b/interfaces/log-parser/01-methods/log_err_missing.txt
similarity index 100%
rename from interfaces/05-log-parser/01-methods/log_err_missing.txt
rename to interfaces/log-parser/01-methods/log_err_missing.txt
diff --git a/interfaces/05-log-parser/01-methods/log_err_negative.txt b/interfaces/log-parser/01-methods/log_err_negative.txt
similarity index 100%
rename from interfaces/05-log-parser/01-methods/log_err_negative.txt
rename to interfaces/log-parser/01-methods/log_err_negative.txt
diff --git a/interfaces/05-log-parser/01-methods/log_err_str.txt b/interfaces/log-parser/01-methods/log_err_str.txt
similarity index 100%
rename from interfaces/05-log-parser/01-methods/log_err_str.txt
rename to interfaces/log-parser/01-methods/log_err_str.txt
diff --git a/interfaces/05-log-parser/01-methods/main.go b/interfaces/log-parser/01-methods/main.go
similarity index 100%
rename from interfaces/05-log-parser/01-methods/main.go
rename to interfaces/log-parser/01-methods/main.go
diff --git a/interfaces/05-log-parser/01-methods/parser.go b/interfaces/log-parser/01-methods/parser.go
similarity index 100%
rename from interfaces/05-log-parser/01-methods/parser.go
rename to interfaces/log-parser/01-methods/parser.go
diff --git a/interfaces/05-log-parser/functional/Makefile b/interfaces/log-parser/functional/Makefile
similarity index 100%
rename from interfaces/05-log-parser/functional/Makefile
rename to interfaces/log-parser/functional/Makefile
diff --git a/interfaces/05-log-parser/functional/chartwriter.go b/interfaces/log-parser/functional/chartwriter.go
similarity index 100%
rename from interfaces/05-log-parser/functional/chartwriter.go
rename to interfaces/log-parser/functional/chartwriter.go
diff --git a/interfaces/05-log-parser/functional/field.go b/interfaces/log-parser/functional/field.go
similarity index 100%
rename from interfaces/05-log-parser/functional/field.go
rename to interfaces/log-parser/functional/field.go
diff --git a/interfaces/05-log-parser/functional/filters.go b/interfaces/log-parser/functional/filters.go
similarity index 100%
rename from interfaces/05-log-parser/functional/filters.go
rename to interfaces/log-parser/functional/filters.go
diff --git a/interfaces/05-log-parser/functional/groupers.go b/interfaces/log-parser/functional/groupers.go
similarity index 100%
rename from interfaces/05-log-parser/functional/groupers.go
rename to interfaces/log-parser/functional/groupers.go
diff --git a/interfaces/05-log-parser/functional/main.go b/interfaces/log-parser/functional/main.go
similarity index 100%
rename from interfaces/05-log-parser/functional/main.go
rename to interfaces/log-parser/functional/main.go
diff --git a/interfaces/05-log-parser/functional/pipeline.go b/interfaces/log-parser/functional/pipeline.go
similarity index 100%
rename from interfaces/05-log-parser/functional/pipeline.go
rename to interfaces/log-parser/functional/pipeline.go
diff --git a/interfaces/05-log-parser/functional/result.go b/interfaces/log-parser/functional/result.go
similarity index 100%
rename from interfaces/05-log-parser/functional/result.go
rename to interfaces/log-parser/functional/result.go
diff --git a/interfaces/05-log-parser/functional/textreader.go b/interfaces/log-parser/functional/textreader.go
similarity index 100%
rename from interfaces/05-log-parser/functional/textreader.go
rename to interfaces/log-parser/functional/textreader.go
diff --git a/interfaces/05-log-parser/functional/textwriter.go b/interfaces/log-parser/functional/textwriter.go
similarity index 100%
rename from interfaces/05-log-parser/functional/textwriter.go
rename to interfaces/log-parser/functional/textwriter.go
diff --git a/interfaces/05-log-parser/logs/Makefile b/interfaces/log-parser/logs/Makefile
similarity index 100%
rename from interfaces/05-log-parser/logs/Makefile
rename to interfaces/log-parser/logs/Makefile
diff --git a/interfaces/05-log-parser/logs/log.json b/interfaces/log-parser/logs/log.json
similarity index 100%
rename from interfaces/05-log-parser/logs/log.json
rename to interfaces/log-parser/logs/log.json
diff --git a/interfaces/05-log-parser/logs/log.txt b/interfaces/log-parser/logs/log.txt
similarity index 100%
rename from interfaces/05-log-parser/logs/log.txt
rename to interfaces/log-parser/logs/log.txt
diff --git a/interfaces/05-log-parser/logs/log_err_missing.txt b/interfaces/log-parser/logs/log_err_missing.txt
similarity index 100%
rename from interfaces/05-log-parser/logs/log_err_missing.txt
rename to interfaces/log-parser/logs/log_err_missing.txt
diff --git a/interfaces/05-log-parser/logs/log_err_negative.txt b/interfaces/log-parser/logs/log_err_negative.txt
similarity index 100%
rename from interfaces/05-log-parser/logs/log_err_negative.txt
rename to interfaces/log-parser/logs/log_err_negative.txt
diff --git a/interfaces/05-log-parser/logs/log_err_str.txt b/interfaces/log-parser/logs/log_err_str.txt
similarity index 100%
rename from interfaces/05-log-parser/logs/log_err_str.txt
rename to interfaces/log-parser/logs/log_err_str.txt
diff --git a/interfaces/05-log-parser/oop/Makefile b/interfaces/log-parser/oop/Makefile
similarity index 100%
rename from interfaces/05-log-parser/oop/Makefile
rename to interfaces/log-parser/oop/Makefile
diff --git a/interfaces/05-log-parser/oop/analysis.go b/interfaces/log-parser/oop/analysis.go
similarity index 100%
rename from interfaces/05-log-parser/oop/analysis.go
rename to interfaces/log-parser/oop/analysis.go
diff --git a/interfaces/05-log-parser/oop/chartsummary.go b/interfaces/log-parser/oop/chartsummary.go
similarity index 100%
rename from interfaces/05-log-parser/oop/chartsummary.go
rename to interfaces/log-parser/oop/chartsummary.go
diff --git a/interfaces/05-log-parser/oop/filters.go b/interfaces/log-parser/oop/filters.go
similarity index 100%
rename from interfaces/05-log-parser/oop/filters.go
rename to interfaces/log-parser/oop/filters.go
diff --git a/interfaces/05-log-parser/oop/groupers.go b/interfaces/log-parser/oop/groupers.go
similarity index 100%
rename from interfaces/05-log-parser/oop/groupers.go
rename to interfaces/log-parser/oop/groupers.go
diff --git a/interfaces/05-log-parser/oop/jsonparser.go b/interfaces/log-parser/oop/jsonparser.go
similarity index 100%
rename from interfaces/05-log-parser/oop/jsonparser.go
rename to interfaces/log-parser/oop/jsonparser.go
diff --git a/interfaces/05-log-parser/oop/main.go b/interfaces/log-parser/oop/main.go
similarity index 100%
rename from interfaces/05-log-parser/oop/main.go
rename to interfaces/log-parser/oop/main.go
diff --git a/interfaces/05-log-parser/oop/readclose.go b/interfaces/log-parser/oop/readclose.go
similarity index 100%
rename from interfaces/05-log-parser/oop/readclose.go
rename to interfaces/log-parser/oop/readclose.go
diff --git a/interfaces/05-log-parser/oop/report.go b/interfaces/log-parser/oop/report.go
similarity index 100%
rename from interfaces/05-log-parser/oop/report.go
rename to interfaces/log-parser/oop/report.go
diff --git a/interfaces/05-log-parser/oop/result.go b/interfaces/log-parser/oop/result.go
similarity index 100%
rename from interfaces/05-log-parser/oop/result.go
rename to interfaces/log-parser/oop/result.go
diff --git a/interfaces/05-log-parser/oop/textparser.go b/interfaces/log-parser/oop/textparser.go
similarity index 100%
rename from interfaces/05-log-parser/oop/textparser.go
rename to interfaces/log-parser/oop/textparser.go
diff --git a/interfaces/05-log-parser/oop/textsummary.go b/interfaces/log-parser/oop/textsummary.go
similarity index 100%
rename from interfaces/05-log-parser/oop/textsummary.go
rename to interfaces/log-parser/oop/textsummary.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-00/changes.md b/interfaces/log-parser/refactor-notes/refactor-00/changes.md
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-00/changes.md
rename to interfaces/log-parser/refactor-notes/refactor-00/changes.md
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-00/main.go b/interfaces/log-parser/refactor-notes/refactor-00/main.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-00/main.go
rename to interfaces/log-parser/refactor-notes/refactor-00/main.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-00/parser.go b/interfaces/log-parser/refactor-notes/refactor-00/parser.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-00/parser.go
rename to interfaces/log-parser/refactor-notes/refactor-00/parser.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-00/result.go b/interfaces/log-parser/refactor-notes/refactor-00/result.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-00/result.go
rename to interfaces/log-parser/refactor-notes/refactor-00/result.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-00/summarize.go b/interfaces/log-parser/refactor-notes/refactor-00/summarize.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-00/summarize.go
rename to interfaces/log-parser/refactor-notes/refactor-00/summarize.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-01/changes.md b/interfaces/log-parser/refactor-notes/refactor-01/changes.md
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-01/changes.md
rename to interfaces/log-parser/refactor-notes/refactor-01/changes.md
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-01/main.go b/interfaces/log-parser/refactor-notes/refactor-01/main.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-01/main.go
rename to interfaces/log-parser/refactor-notes/refactor-01/main.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-01/parser.go b/interfaces/log-parser/refactor-notes/refactor-01/parser.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-01/parser.go
rename to interfaces/log-parser/refactor-notes/refactor-01/parser.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-01/result.go b/interfaces/log-parser/refactor-notes/refactor-01/result.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-01/result.go
rename to interfaces/log-parser/refactor-notes/refactor-01/result.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-01/summarize.go b/interfaces/log-parser/refactor-notes/refactor-01/summarize.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-01/summarize.go
rename to interfaces/log-parser/refactor-notes/refactor-01/summarize.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-02/changes.md b/interfaces/log-parser/refactor-notes/refactor-02/changes.md
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-02/changes.md
rename to interfaces/log-parser/refactor-notes/refactor-02/changes.md
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-02/main.go b/interfaces/log-parser/refactor-notes/refactor-02/main.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-02/main.go
rename to interfaces/log-parser/refactor-notes/refactor-02/main.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-02/parser.go b/interfaces/log-parser/refactor-notes/refactor-02/parser.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-02/parser.go
rename to interfaces/log-parser/refactor-notes/refactor-02/parser.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-02/result.go b/interfaces/log-parser/refactor-notes/refactor-02/result.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-02/result.go
rename to interfaces/log-parser/refactor-notes/refactor-02/result.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-02/summarize.go b/interfaces/log-parser/refactor-notes/refactor-02/summarize.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-02/summarize.go
rename to interfaces/log-parser/refactor-notes/refactor-02/summarize.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/changes.md b/interfaces/log-parser/refactor-notes/refactor-03-deprecated/changes.md
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/changes.md
rename to interfaces/log-parser/refactor-notes/refactor-03-deprecated/changes.md
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/main.go b/interfaces/log-parser/refactor-notes/refactor-03-deprecated/main.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/main.go
rename to interfaces/log-parser/refactor-notes/refactor-03-deprecated/main.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/parser.go b/interfaces/log-parser/refactor-notes/refactor-03-deprecated/parser.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/parser.go
rename to interfaces/log-parser/refactor-notes/refactor-03-deprecated/parser.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/result.go b/interfaces/log-parser/refactor-notes/refactor-03-deprecated/result.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/result.go
rename to interfaces/log-parser/refactor-notes/refactor-03-deprecated/result.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/scanner.go b/interfaces/log-parser/refactor-notes/refactor-03-deprecated/scanner.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/scanner.go
rename to interfaces/log-parser/refactor-notes/refactor-03-deprecated/scanner.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/summarize.go b/interfaces/log-parser/refactor-notes/refactor-03-deprecated/summarize.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03-deprecated/summarize.go
rename to interfaces/log-parser/refactor-notes/refactor-03-deprecated/summarize.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03/changes.md b/interfaces/log-parser/refactor-notes/refactor-03/changes.md
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03/changes.md
rename to interfaces/log-parser/refactor-notes/refactor-03/changes.md
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03/main.go b/interfaces/log-parser/refactor-notes/refactor-03/main.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03/main.go
rename to interfaces/log-parser/refactor-notes/refactor-03/main.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03/parser.go b/interfaces/log-parser/refactor-notes/refactor-03/parser.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03/parser.go
rename to interfaces/log-parser/refactor-notes/refactor-03/parser.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03/result.go b/interfaces/log-parser/refactor-notes/refactor-03/result.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03/result.go
rename to interfaces/log-parser/refactor-notes/refactor-03/result.go
diff --git a/interfaces/05-log-parser/refactor-notes/refactor-03/summarize.go b/interfaces/log-parser/refactor-notes/refactor-03/summarize.go
similarity index 100%
rename from interfaces/05-log-parser/refactor-notes/refactor-03/summarize.go
rename to interfaces/log-parser/refactor-notes/refactor-03/summarize.go
diff --git a/interfaces/05-log-parser/testing/log.txt b/interfaces/log-parser/testing/log.txt
similarity index 100%
rename from interfaces/05-log-parser/testing/log.txt
rename to interfaces/log-parser/testing/log.txt
diff --git a/interfaces/05-log-parser/testing/log_err_missing.txt b/interfaces/log-parser/testing/log_err_missing.txt
similarity index 100%
rename from interfaces/05-log-parser/testing/log_err_missing.txt
rename to interfaces/log-parser/testing/log_err_missing.txt
diff --git a/interfaces/05-log-parser/testing/log_err_negative.txt b/interfaces/log-parser/testing/log_err_negative.txt
similarity index 100%
rename from interfaces/05-log-parser/testing/log_err_negative.txt
rename to interfaces/log-parser/testing/log_err_negative.txt
diff --git a/interfaces/05-log-parser/testing/log_err_str.txt b/interfaces/log-parser/testing/log_err_str.txt
similarity index 100%
rename from interfaces/05-log-parser/testing/log_err_str.txt
rename to interfaces/log-parser/testing/log_err_str.txt
diff --git a/interfaces/05-log-parser/testing/main.go b/interfaces/log-parser/testing/main.go
similarity index 84%
rename from interfaces/05-log-parser/testing/main.go
rename to interfaces/log-parser/testing/main.go
index fb3f0bf..5bbd2b4 100644
--- a/interfaces/05-log-parser/testing/main.go
+++ b/interfaces/log-parser/testing/main.go
@@ -11,7 +11,7 @@ import (
 	"bufio"
 	"os"
 
-	"github.com/inancgumus/learngo/interfaces/05-log-parser/testing/report"
+	"github.com/inancgumus/learngo/interfaces/log-parser/testing/report"
 )
 
 func main() {
diff --git a/interfaces/05-log-parser/testing/main_test.go b/interfaces/log-parser/testing/main_test.go
similarity index 100%
rename from interfaces/05-log-parser/testing/main_test.go
rename to interfaces/log-parser/testing/main_test.go
diff --git a/interfaces/05-log-parser/testing/report/parser.go b/interfaces/log-parser/testing/report/parser.go
similarity index 100%
rename from interfaces/05-log-parser/testing/report/parser.go
rename to interfaces/log-parser/testing/report/parser.go
diff --git a/interfaces/05-log-parser/testing/report/parser_test.go b/interfaces/log-parser/testing/report/parser_test.go
similarity index 100%
rename from interfaces/05-log-parser/testing/report/parser_test.go
rename to interfaces/log-parser/testing/report/parser_test.go
diff --git a/interfaces/05-log-parser/testing/report/result.go b/interfaces/log-parser/testing/report/result.go
similarity index 100%
rename from interfaces/05-log-parser/testing/report/result.go
rename to interfaces/log-parser/testing/report/result.go
diff --git a/interfaces/05-log-parser/testing/report/summary.go b/interfaces/log-parser/testing/report/summary.go
similarity index 100%
rename from interfaces/05-log-parser/testing/report/summary.go
rename to interfaces/log-parser/testing/report/summary.go
diff --git a/interfaces/05-log-parser/testing/report/summary_test.go b/interfaces/log-parser/testing/report/summary_test.go
similarity index 100%
rename from interfaces/05-log-parser/testing/report/summary_test.go
rename to interfaces/log-parser/testing/report/summary_test.go
diff --git a/interfaces/05-log-parser/testing/summarize.go b/interfaces/log-parser/testing/summarize.go
similarity index 95%
rename from interfaces/05-log-parser/testing/summarize.go
rename to interfaces/log-parser/testing/summarize.go
index cf4cb00..1b5bd06 100644
--- a/interfaces/05-log-parser/testing/summarize.go
+++ b/interfaces/log-parser/testing/summarize.go
@@ -13,7 +13,7 @@ import (
 	"os"
 	"strings"
 
-	"github.com/inancgumus/learngo/interfaces/05-log-parser/testing/report"
+	"github.com/inancgumus/learngo/interfaces/log-parser/testing/report"
 )
 
 // summarize prints the parsing results.