A collection of helpful linux commands

linux_helpful_command_collection.md

repeat line multiple times

perl -ne 'print $_ x 3' file
# or
!awk '{for (i = 1; i <= 3; i++) print $0}' file

Auto sync updates to Github

cd /<your path>
git add .
git commit -m "auto save:Update some logseq pages."
git push origin main
# chmod 777 this_script.sh
# +crontab