What characters do I need to escape when using sed in a sh script? – Unix & Linux Stack Exchange https://unix.stackexchange.com/questions/32907/what-characters-do-i-need-to-escape-when-using-sed-in-a-sh-script
shell – Delete lines in a text file that contain a specific string – Stack Overflow https://stackoverflow.com/questions/5410757/delete-lines-in-a-text-file-that-contain-a-specific-string
Use sed in bash to replace string with heredoc – Stack Overflow https://stackoverflow.com/questions/26770426/use-sed-in-bash-to-replace-string-with-heredoc
Command-Line Smackdown: cp vs. ditto — Malcontent Comics Incorporated Presents: https://malcontentcomics.com/systemsboy/2005/12/command-line-smackdown-cp-vs-ditto.html
Input/Output Redirection in the Shell https://robots.thoughtbot.com/input-output-redirection-in-the-shell
What is meaning of {} + in find’s -exec command? – Unix & Linux Stack Exchange https://unix.stackexchange.com/questions/195939/what-is-meaning-of-in-finds-exec-command
Become a Command Line Ninja With These Time-Saving Shortcuts https://lifehacker.com/5743814/become-a-command-line-ninja-with-these-time-saving-shortcuts
[SOLVED] [SOLVED] Howto: change default timeout (from 5 minutes) in sudo https://ubuntuforums.org/showthread.php?t=183418
Setting up permissions on a script – Linux Shell Scripting Tutorial – A Beginner’s handbook https://bash.cyberciti.biz/guide/Setting_up_permissions_on_a_script
shell – To show only file name without the entire directory path – Stack Overflow http://stackoverflow.com/questions/8518750/to-show-only-file-name-without-the-entire-directory-path
unix – Display the file’s name without its root in Shell Script – Stack Overflow http://stackoverflow.com/questions/16064613/display-the-files-name-without-its-root-in-shell-script