| Operation | Bash Shell Redirection Syntax |
| Read standard input from a file. | command |
| Read standard input until end of marker. | command < |
| Write standard output to a file. | command >file |
| Append standard output to end of file. | command >>file |
| Write standard output and standard error to separate files. | command >file 2>file2 |
| Write standard output and standard error to the same file. | command >file 2>&1 |
| Write standard output and standard error to the same file. | command &> file |
| Append standard output and standard error to the end of a file. | command >>file 2>&1 |
| Send (pipe) standard output of first command to input of second command. | command | command2 |
| Send (pipe) standard output and standard error to input of second command. | command 2>&1 | command2 |
