Bash Redirections Cheat Sheet Redirection Description cmd > file Redirect the standard output (stdout) of cmd to a file. cmd 1> file Same as cmd > file. 1 is the default file descriptor (fd) for stdout. cmd 2> file Redirect the standard error (stderr) of cmd to a file. 2 is the default fd for stderr. cmd >> file Append stdout of cmd to a file. cmd 2>> file Append stderr of cmd to a file. cmd &> fi