There are a number of ways to add text to files on Linux systems without having to open an editor, such as the echo and printf commands. On the other hand, when you need to add A LOT of text, the ...

The file being used has numbered lines to make what’s happening more clear. $ awk 'NR % 2 == 0' myfile | head -6 2 There was a Linux elf 4 users by introducing 6 8 didn't know much about 10 line.

grep -rni "text string" /path/to/directory -r performs a recursive search within subdirectories.-n displays the line number containing the pattern.-i ignores the case of the text string. The above ...