gistfile1.sh

classroom:~ class$ dns-sd -B _daap._tcp& >> res 2>&1
[4] 17738
classroom:~ class$ Browsing for _daap._tcp
Timestamp     A/R Flags if Domain                    Service Type              Instance Name
 9:11:39.250  Add     3  4 local.                    _daap._tcp.               Class’s Library_PW
 9:11:39.250  Add     2  1 local.                    _daap._tcp.               Class’s Library_PW

classroom:~ class$ ls
Applications            Dropbox                 Public                  test.txt
CocoaNotepad.xib        Library                 Sites                   test1.txt
Desktop                 Movies                  rails                   what.txt
Documents               Music                   res
Downloads               Pictures                sed
classroom:~ class$ cat res
classroom:~ class$ dns-sd -B _daap._tcp & >1&2 >> res
[5] 17741
[6] 17742
Browsing for _daap._tcp
-bash: 2: command not found
[6]+  Done                     > 1
classroom:~ class$ Timestamp     A/R Flags if Domain                    Service Type              Instance Name
 9:12:08.387  Add     3  4 local.                    _daap._tcp.               Class’s Library_PW
 9:12:08.387  Add     2  1 local.                    _daap._tcp.               Class’s Library_PW

classroom:~ class$ cat res
classroom:~ class$