Document Summary

Tells the shell not to wait for the command to complete. Used for a long-running command in the background while you continue to use the xterm for other commands. % ( sleep 5; date ) & date. Tue nov 9 14:06:15 est 2010 # output of 2nd date. % tue nov 9 14:06:20 est 2010 # output of 1st date. The precedence of | is higher than that of ; Tee copies its input to a file as well as to standard output (or to a pipe). Search the current directory for file names in which any strings occurs in the position of * To protect metacharacters from being interpreted: enclose them in single quotes. Or to put a backslash \ in front of each character: Double quotes can also be used to protect metacharacters, but . The shell will interpret $, \ and inside the double quotes.