We explore some more shell basics including redirection to and from files, and command substitution. This feature allows the output of one command to be used as parameters of another command.

Command Line TV

Episode 9: Redirection and substitution

Command Line TV is a video podcast to help you learn and master the Unix shell. Informally, ‘Unix’ refers to a family of operating systems that includes GNU/Linux, Mac OS X, and FreeBSD. Operating a computer via the command line gives you tremendous power and flexibility, but it’s not easy to learn. We’re here to help! We start from the beginning, but also try to include some tips suitable for intermediate users. Each video is about 20 minutes long, and we aim to release a new episode every week or so.

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Command Line TV