Grades exercise Post: 303015884

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UNIX Exercise

Hi, I am learning unix. I want to practice few small excercises. Please suggest me some goor URL to practice. Thanks in advance.

LEARN ABOUT BSD

uupoll

UUPOLL(8)						      System Manager's Manual							 UUPOLL(8)

NAME

       uupoll - poll a remote UUCP site

SYNOPSIS

       uupoll [ -ggrade ] [ -n ] system

DESCRIPTION

       Uupoll is used to force a poll of a remote system. It queues a null job for the remote system and then invokes uucico(8).

       The following options are available:

       -ggrade Only send jobs of grade grade or higher on this call.

       -n      Queue the null job, but do not invoke uucico.

       Uupoll is usually run by cron(5) or by a user who wants to hurry a job along. A typical entry in crontab could be:

	    0	 0,8,16    *	*    *	  /usr/bin/uupoll ihnp4
	    0	 4,12,20   *	*    *	  /usr/bin/uupoll ucbvax
       This will poll ihnp4 at midnight, 0800, and 1600, and ucbvax at 0400, noon, and 2000.

       If the local machine is already running uucico every hour and has a limited number of outgoing modems, a more elegant approach might be:

	    0	 0,8,16    *	*    *	  /usr/bin/uupoll -n ihnp4
	    0	 4,12,20   *	*    *	  /usr/bin/uupoll -n ucbvax
	    5	 *	   *	*    *	  /usr/sbin/uucico -r1
       This will queue null jobs for the remote sites at the top of hour; they will be processed by uucico when it runs five minutes later.

FILES

       /etc/uucp/	  UUCP internal files
       /usr/spool/uucp/   Spool directory

SEE ALSO

       uucp(1), uux(1), uucico(8)

4.3 Berkeley Distribution					 October 23, 1996							 UUPOLL(8)