Linux

Substituting text in Linux

LinuxText Processingsedintermediate

What this snippet does

s/old/new/g replaces every occurrence on each line and prints the result.

Expected output

host=127.0.0.1

Why practise typing this

Typing text processing code builds muscle memory for the symbols and indentation Linux uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.

More Linux practice

Browse all Linux snippets →