bzegrep, bzfgrep, rgrep, zegrep, zgrep: move from linux to common (#8709)

grep alternatives work substantially the same on all major platforms.

pages/common/bzfgrep.md

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+# bzfgrep
+
+> Find any fixed strings separated by new lines in bzip2 compressed files using fgrep.
+> More information: <https://manned.org/bzfgrep>.
+
+- Search for lines matching the list of search strings separated by new lines in a compressed file (case-sensitive):
+
+`bzfgrep "{{search_string}}" {{path/to/file}}`
+
+- Search for lines matching the list of search strings separated by new lines in a compressed file (case-insensitive):
+
+`bzfgrep --ignore-case "{{search_string}}" {{path/to/file}}`
+
+- Search for lines that do not match the list of search strings separated by new lines in a compressed file:
+
+`bzfgrep --invert-match "{{search_string}}" {{path/to/file}}`
+
+- Print file name and line number for each match:
+
+`bzfgrep --with-filename --line-number "{{search_string}}" {{path/to/file}}`
+
+- Search for lines matching a pattern, printing only the matched text:
+
+`bzfgrep --only-matching "{{search_string}}" {{path/to/file}}`
+
+- Recursively search files in a bzip2 compressed tar archive for the given list of strings:
+
+`bzfgrep --recursive "{{search_string}}" {{path/to/file}}`