Atl-. will cycle through the n-th argument, which is not the same as repeating entire last command with all arguments as up-arrow or !! do: $ yum install bas

Atl-. will cycle through the n-th argument, which is not the same as repeating entire last command with all arguments as up-arrow or !! do: $ yum install bash-completion Error: This command has to be run under the root user. $ sudo <Alt-.> $ sudo bash-completion