pages*: fix brand and technical names (#12145)

* pages*: fix Python, Java, pacman, apt, *zip*, xz, tar, git, RPM and grep names

* pages*: fix brand and technical names

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* fluxctl, gitmoji, in-toto-run, osv-scanner: replace `git` with Git

* bzegrep: enclose egrep with backticks

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* git-bug: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* git-bug: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* git-force-clone: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* gitwatch: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* hub-init: use Git instead of `git`

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* pages.*: use Linux instead of GNU/Linux

---------

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages/linux/atool.md

@@ -3,7 +3,7 @@
 > Manage archives of various formats.
 > More information: <https://www.nongnu.org/atool/>.
 
-- List files in a zip archive:
+- List files in a `zip` archive:
 
 `atool --list {{path/to/archive.zip}}`
 
@@ -11,10 +11,10 @@
 
 `atool --extract {{path/to/archive.tar.gz}}`
 
-- Create a new 7zip archive with two files:
+- Create a new `7z` archive with two files:
 
 `atool --add {{path/to/archive.7z}} {{path/to/file1 path/to/file2 ...}}`
 
-- Extract all zip and rar archives in the current directory:
+- Extract all `zip` and rar archives in the current directory:
 
 `atool --each --extract {{*.zip *.rar}}`