tee

duplicating pipe content

copy
3

ls | tee file1.txt file2.txt file3.txtwrite ls to screen and 3 files

copy
2

ls | tee file.txtls to screen and also file

copy
0

crontab -l | tee backup.txt list your crontab, and create a backup

copy
0

ifconfig | tee OutputFile.txtlist and store ifconfig in OutputFile.txt

copy
0

lint myprogram.c | tee -a myprogram.lintdisplay and append to myprogram.lint