SHELL

vim delete line

# Basic syntax:
dd

# Note, add a number in from of dd to delete that many lines, e.g.:
5dd # Delete the next 5 lines

delete line in vi or vim

# navigate to line and type
dd

vim delete all lines

:1,$d

vim delete every other line

:1d|g/^/+d  # Every other odd line

vim delete every other line

:g/^/+d  # Every other even line