This process was less resource-intensive than the later integrated development environment (IDE). For example, the Microsoft Pascal system consisted of two compiler passes and a final linking pass (which could take minutes on systems with only floppy disks for secondary storage, although programs were very much smaller than they are today). In the early IBM PC market (1981–1983) the major programming tool vendors all made compilers that worked in a similar fashion. Programmers wrote source code using a text editor the source code was then compiled into object code (often requiring multiple passes), and a linker combined object code with runtime libraries to produce an executable program. Historically, the vast majority of programmers saw their workflow in terms of the edit/compile/link cycle, with separate tools dedicated to each task. Philippe Kahn first saw an opportunity for Borland, his newly formed software company, in the field of programming tools.
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