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1.1 ! root 1: ! 2: ! 3: file Definition file ! 4: ! 5: ! 6: ! 7: ! 8: A file is a mass of bits that has been given a name and is stored ! 9: on a nonvolatile medium. These bits may form ASCII characters or ! 10: machine-executable data. Under the COHERENT system and related ! 11: operating systems, external devices can mimic files, in that they ! 12: can be opened, closed, read, and written to in a manner identical ! 13: to that of files. ! 14: ! 15: To manipulate the contents of a file, you must first open it. ! 16: This can be done with the COHERENT system call open, or with the ! 17: function fopen. You can then read the file, write material to ! 18: it, or append material onto it with the COHERENT system calls ! 19: rreeaadd and write, or with the functions ffrreeaadd and ffwwrriittee. See the ! 20: entries on CCOOHHEERREENNTT ssyysstteemm ccaallllss and entry SSTTDDIIOO for more infor- ! 21: mation on manipulating material within a file. ! 22: ! 23: ***** See Also ***** ! 24: ! 25: close(), definitions, executable file, fopen(), fclose(), FILE, ! 26: open() ! 27: ! 28: ! 29: ! 30: ! 31: ! 32: ! 33: ! 34: ! 35: ! 36: ! 37: ! 38: ! 39: ! 40: ! 41: ! 42: ! 43: ! 44: ! 45: ! 46: ! 47: ! 48: ! 49: ! 50: ! 51: ! 52: ! 53: ! 54: ! 55: ! 56: ! 57: ! 58: ! 59: ! 60: ! 61: ! 62: ! 63: ! 64: COHERENT Lexicon Page 1 ! 65: ! 66:
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