ed(1) on FreeBSD
The text ef040bd4f2e6, as FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE shipped it.
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The text ef040bd4f2e6, as FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE shipped it.
text editor
-p
-s
-x