Tcl8.6.0/Tk8.6.0 Documentation > Tcl Commands, version 8.6.0

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System Related

cdChange working directory
clockObtain and manipulate dates and times
execInvoke subprocesses
exitEnd the application
globReturn names of files that match patterns
pidRetrieve process identifiers
pwdReturn the absolute path of the current working directory
timeTime the execution of a script
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