Ex (text editor)

ex
ex
Original author(s)	Bill Joy
Initial release	March 9, 1978 (as part of 1BSD)
Written in	C
Operating system	Unix
Platform	Cross-platform
Type	Text editor

ex, (short for extended),^[1]^[2]^{[better source needed]} is a line editor for Unix systems originally written by Bill Joy^[3] in 1976, beginning with an earlier program written by Charles Haley.^[4] Multiple implementations of the program exist; they are standardized by POSIX.^[5]

^ vi editor history:ex
^ "A Brief History of Vim:1976". Archived from the original on 2021-06-05. Retrieved 2021-06-05.
^ ex manual page
^ William N. Joy, Ex reference manual, November, 1977
^ ex – Shell and Utilities Reference, The Single UNIX Specification, Version 5 from The Open Group

[1] vi editor history:ex

[2] "A Brief History of Vim:1976". Archived from the original on 2021-06-05. Retrieved 2021-06-05.

[3] x manual page

[4] William N. Joy, Ex reference manual, November, 1977

[5] ex – Shell and Utilities Reference, The Single UNIX Specification, Version 5 from The Open Group

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