command diff - JohnHau/mis GitHub Wiki
https://www.geeksforgeeks.org/diff-command-linux-examples/
https://man7.org/linux/man-pages/man1/diff.1.html
https://linuxize.com/post/diff-command-in-linux/
https://www.computerhope.com/unix/udiff.htm
https://phoenixnap.com/kb/linux-diff
https://linuxhint.com/linux-diff-command-examples/
https://www.baeldung.com/linux/diff-command
https://www.linuxtechi.com/diff-command-examples-linux/
https://linux.die.net/man/1/diff
https://www.freecodecamp.org/news/compare-files-with-diff-in-linux/
https://ss64.com/bash/diff.html
https://www.tutorialspoint.com/how-to-use-diff-command-in-linux
https://www.journaldev.com/28936/linux-diff-command-examples
https://www.educba.com/linux-diff-command/
https://linuxcommando.blogspot.com/2008/05/compare-directories-using-diff-in-linux.html
https://www.linuxfordevices.com/tutorials/linux/diff-command-in-linux
https://www.howtoforge.com/tutorial/linux-diff-command-file-comparison/
https://www.gnu.org/software/diffutils/
https://www.techonthenet.com/linux/commands/diff.php
https://www.gnu.org/software/diffutils/manual/html_mono/diff.html
https://www.techtarget.com/searchdatacenter/tip/An-introduction-to-using-diff-and-patch-together
https://www.cyberciti.biz/programming/color-terminal-highlighter-for-diff-files/
https://man.archlinux.org/man/diff.1.en
https://www.cyberithub.com/15-popular-diff-command-examples-in-linux/
https://en.wikipedia.org/wiki/Diff
https://linuxconfig.org/how-to-compare-files-using-diff
https://researchhubs.com/post/computing/linux-cmd/compare-the-content-of-files.html
https://flaviocopes.com/linux-command-diff/
https://developers.redhat.com/cheat-sheets/bash-shell-cheat-sheet?sc_cid=7013a000002q2CZAAY
https://linuxhandbook.com/diff-command/
https://www.oreilly.com/library/view/linux-pocket-guide/9780596806347/re66.html
https://www.halolinux.us/suse-9-guide/diff-and-patch.html
http://www.dba-oracle.com/t_linux_oracle_diff_command.htm
https://www.systutorials.com/docs/linux/man/1p-diff/
https://lowfatlinux.com/linux-compare-files-diff.html
https://stackoverflow.com/questions/60120819/unix-diff-side-by-side-with-context
https://www.tecmint.com/best-linux-file-diff-tools-comparison/
https://www.ibm.com/docs/ko/aix/7.2?topic=files-comparing-diff-command
https://www.unix.com/shell-programming-and-scripting/127182-show-entire-lines-diff-command.html
https://github.com/vibhamasti/diff-linux
https://linuxways.net/centos/diff-command-in-linux/
https://www.linuxshelltips.com/compare-two-files-in-linux-using-diff-command/
https://linoxide.com/best-diff-tools-to-compare-file-contents-on-linux/
https://www.slant.co/topics/5882/~linux-diff-tools
https://www.softwaretestinghelp.com/compare-two-files-unix/
http://www.linuxguide.it/command_line/linux-manpage/do.php?file=diff
https://acloudguru.com/blog/engineering/introduction-using-diff-and-patch
https://itsfoss.com/meld-gui-diff/
https://www.networkworld.com/article/2781380/linux-command--side-by-side-diff.html
https://www.linuxlinks.com/difftools/
https://www.linux.org/docs/man1/diff.html
https://unix.stackexchange.com/questions/582796/using-the-diff-command-to-compare-two-strings
https://www.nielit.gov.in/gorakhpur/sites/default/files/Gorakhpur/alevel_unix_07_apr20_AKM.pdf
https://www.maketecheasier.com/use-diff-compare-files-linux/