[kondo@lxplus726]~/SCTcalib/git/myweb% git log
commit 1cdcc160b3feddd4d8e0e2642a3ef9366516afef (HEAD -> master)
Author: Taka Kondo <taka.kondo@kek.jp>
Date:   Sat Dec 24 02:20:37 2022 +0100

    line 4 <-------viでindex1.htmlを変更してから git add index1.htmlで書いたもの

commit 178db0307af04083588473da69fdb740ea5c38cc
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 15:30:10 2021 +0100

    add .gitignore

commit fb5492938f1be93f3d2ae8140bb6e4ef3d40b05f
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 15:20:01 2021 +0100

    4th change

commit 87c4760d42d6ad1b30588cebfb211956609f654b
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 14:37:04 2021 +0100

    3rd change3rd change3rd change

commit 282e53e21e1b8c21966f36d19b00602840faf9ab
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 14:09:47 2021 +0100

    2nd commit

commit 41f87b5b66a9254951df5b587330a8afd1c6cc3f
Author: taka kondo <taka.kondo@kek.jp>
Date:   Tue Nov 23 10:29:35 2021 +0100

    initial commit
[kondo@lxplus726]~/SCTcalib/git/myweb% vi ../memo.here
[kondo@lxplus726]~/SCTcalib/git/myweb% git log
commit 1cdcc160b3feddd4d8e0e2642a3ef9366516afef (HEAD -> master)
Author: Taka Kondo <taka.kondo@kek.jp>
Date:   Sat Dec 24 02:20:37 2022 +0100

    line 4 added

commit 178db0307af04083588473da69fdb740ea5c38cc
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 15:30:10 2021 +0100

    add .gitignore

commit fb5492938f1be93f3d2ae8140bb6e4ef3d40b05f
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 15:20:01 2021 +0100

    4th change

commit 87c4760d42d6ad1b30588cebfb211956609f654b
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 14:37:04 2021 +0100

    3rd change3rd change3rd change

commit 282e53e21e1b8c21966f36d19b00602840faf9ab
Author: taka kondo <taka.kondo@kek.jp>
Date:   Wed Nov 24 14:09:47 2021 +0100

    2nd commit

commit 41f87b5b66a9254951df5b587330a8afd1c6cc3f
Author: taka kondo <taka.kondo@kek.jp>
Date:   Tue Nov 23 10:29:35 2021 +0100

    initial commit

===========================================
# ignore all .a files
*.a

# but do track lib.a, even though you're ignoring .a files above
!lib.a

# only ignore the TODO file in the current directory, not subdir/TODO
/TODO

# ignore all files in any directory named build
build/

# ignore doc/notes.txt, but not doc/server/arch.txt
doc/*.txt

# ignore all .pdf files in the doc/ directory and any of its subdirectories
doc/**/*.pdf