sed is a command-line tool used for text processing, which reads input line by line, applies the specified operation, and then outputs the result. You can use sed to perform tasks like: Searching and ...

Is there a way to make a file "append only"? I've lost some logfiles that got overwritten when I wanted them just to be appended. I know with NTFS there are detailed permissions that can be set ...

Out of the box the Pi firmware only allows a single cmdline option. Anything within the referenced file is used as the command line argument passed to the booted Linux kernel. I needed additional ...