View the content of the cmdhelp.txt file in Linux, and display all content line numbers
cat -n cmdhelp.txt
cat : Concatenate FILE(s) to standard output. -n, --number : number all output lines
1 a 2 b 3 c 4 d 5
I hope to help every developer quickly find the commands they need. Of course, you can also add your own commonly used commands for easy searching.