system facilities
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Loading files:
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autoload -- arrange for a function to be loaded automatically
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initialization file
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input -- read Macaulay2 commands and echo
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load -- read Macaulay2 commands
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needs -- read Macaulay2 commands if necessary
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end -- stop loading a file
Echoing characters:
Dumping and restoring the state of the system:
Interface to the operating system:
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alarm -- set an alarm
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currentDirectory -- current working directory
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exec -- execute another program
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exit -- exit the program
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fork -- fork the process
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getenv -- get value of environment variable
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processID -- the process identifier
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path -- list of directories to look in
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quit -- quit the program
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run -- run an external command
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sleep -- sleep for a while
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nanosleep -- sleep for a given number of nanoseconds
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Time -- the class of all timing results
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time -- time a computation
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timing -- time a computation
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elapsedTime -- time a computation including time elapsed
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elapsedTiming -- time a computation using time elapsed
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wait -- wait for child process
Variables with information about the state of the current process:
Dealing with the garbage collector: