Vi improved text editor

Simple text editor

Search for patterns in files

Stream editor for filtering and transforming text

text

editing

stream

sed

sed is a stream editor used to perform basic text transformations on input streams.

Replace all occurrences

sed 's/old/new/g' file.txt

Print lines 5-10

sed -n '5,10p' file.txt

Edit file in place

sed -i 's/foo/bar/g' file.txt

Pattern scanning and processing language

Sort lines of text files

Display file contents