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/common/tar.md

@@ -1,7 +1,7 @@
 # tar
 
 > Archiving utility.
-> Often combined with a compression method, such as gzip or bzip2.
+> Often combined with a compression method, such as `gzip` or `bzip2`.
 > More information: <https://www.gnu.org/software/tar>.
 
 - [c]reate an archive and write it to a [f]ile:
@@ -28,7 +28,7 @@
 
 `tar caf {{path/to/target.tar.xz}} {{path/to/file1 path/to/file2 ...}}`
 
-- Lis[t] the contents of a tar [f]ile [v]erbosely:
+- Lis[t] the contents of a `tar` [f]ile [v]erbosely:
 
 `tar tvf {{path/to/source.tar}}`