bzip2: add examples (#9256)

pages/common/bzip2.md

@@ -1,7 +1,7 @@
 # bzip2
 
 > A block-sorting file compressor.
-> More information: <http://bzip.org>.
+> More information: <https://manned.org/bzip2>.
 
 - Compress a file:
 
@@ -14,3 +14,19 @@
 - Decompress a file to standard output:
 
 `bzip2 -dc {{path/to/compressed_file.bz2}}`
+
+- Test the integrity of each file inside the archive file:
+
+`bzip2 --test {{path/to/compressed_file.bz2}}`
+
+- Show the compression ratio for each file processed with detailed information:
+
+`bzip2 --verbose {{path/to/compressed_files.bz2}}`
+
+- Decompress a file overwriting existing files:
+
+`bzip2 --force {{path/to/compressed_file.bz2}}`
+
+- Display help:
+
+`bzip2 -h`