Lab46 Wiki

cat needs input. The pipe (|) is magic.

cat file|more cat file|less

|less is more, and Iceland is green.

output|input

grep -for text files

grep ' ' and grep '[ ]'

(<,>) output redirection

“ half quotes -variable expansion ' Full quotes -literal ` back tick -command expansion

$ variable access

Wildcards * 0 or more ? 1 of anything [] 1 of enclosed -character class [^ ] not 1 of enclosed -inverted character class

alias name command

meme=“Long cat” alias cm=“echo $meme” echo meme Long cat