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1.1 ! root 1: ! 2: ! 3: true Command true ! 4: ! 5: ! 6: ! 7: ! 8: Unconditional success ! 9: ! 10: true ! 11: ! 12: true does nothing, successfully. It always returns zero (i.e., ! 13: true). ! 14: ! 15: true is useful in shell scripts when you want to execute a con- ! 16: dition indefinitely. For example, the following example ! 17: ! 18: ! 19: while true; do ! 20: date ! 21: done ! 22: ! 23: ! 24: prints the current date and time on your screen forever (or at ! 25: least until interrupted by typing <ccttrrll-CC>. ! 26: ! 27: ***** See Also ***** ! 28: ! 29: commands, false, sh ! 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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