Shell (after)
type: Operation
type: Readable
type: Writable
comment: Runs the given command in a shell after all chunks have been processed.
implemented by: EcmaScript
  link: after.js

Shell (before)
type: Operation
type: Readable
type: Writable
comment: Runs the given command in a shell before any chunk has been processed.
implemented by: EcmaScript
  link: begin.js

Shell
type: Operation
type: Readable
type: Writable
comment: Runs the given command in a shell and forwards stdin and stdout.
implemented by: EcmaScript
  link: barnard59-shell