This allows you to read, write, or execute various files depending on the permissions that are set on the file that you are trying to access.
UNIX commands that you can define with new shorter names. This table is a mechanism that is associated with the C and Korn shells. You can take a long command that can be over 15 characters in length and type two keys to perform the same command after you have made an alias of it.
When a command is executed, the output can be attached to the end of another file. This append process is more typically performed by having two greater than signs (
>>) at the end of a command that points to another file. The output from the commands is attached to the bottom of the ...