[ian@echidna lpi103-4]$ ls x* z* &>output.txt [ian@echidna lpi103-4]$ cat output.txt ls: cannot access z*: No such file or directory xaa xab [ian@echidna lpi103-4]$ ls x* z* >output.txt 2>&1 [ian@echidna lpi103-4]$ cat output.txt ls: cannot access z*: No such file or directory xaa xab [ian@echidna lpi103-4]$ ls x* z* 2>&1 >output.txt # stderr does not go to output.txt ls: cannot access z*: No such file or directory [ian@echidna lpi103-4]$ cat output.txt xaa xab |