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-q : ʹÓÃÖ¸¶¨µÄØùÁÐ(Queue)À´´¢´æ£¬at µÄ×ÊÁÏÊÇ´æ·ÅÔÚËùνµÄ queue ÖУ¬Ê¹ÓÃÕß¿ÉÒÔͬʱʹÓöà¸ö queue£¬¶ø queue µÄ±àºÅΪ a, b, c... z ÒÔ¼° A, B, ... Z ¹² 52 ¸ö
-m : ¼´Ê¹³Ìʽ/Ö¸ÁîÖ´ÐÐÍê³ÉºóûÓÐÊä³ö½á¹û, Ò²Òª¼Ä·âПøʹÓÃÕß
-f file : ¶ÁÈëÔ¤ÏÈдºÃµÄÃüÁîµµ¡£Ê¹ÓÃÕß²»Ò»¶¨ÒªÊ¹Óý»Ì¸Ä£Ê½À´ÊäÈ룬¿ÉÒÔÏȽ«ËùÓеÄÖ¸¶¨ÏÈдÈëµµ°¸ºóÔÙÒ»´Î¶ÁÈë
-l : ÁгöËùÓеÄÖ¸¶¨ (ʹÓÃÕßÒ²¿ÉÒÔÖ±½ÓʹÓà atq ¶ø²»Óà at -l)
-d : ɾ³ýÖ¸¶¨ (ʹÓÃÕßÒ²¿ÉÒÔÖ±½ÓʹÓà atrm ¶ø²»Óà at -d)
-v : ÁгöËùÓÐÒѾ­Íê³Éµ«ÉÐδɾ³ýµÄÖ¸¶¨
Àý×Ó :
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at 5pm + 3 days /bin/ls
Èý¸öÐÇÆÚºóµÄÏÂÎç 5 µãïñÖ´ÐÐ /bin/ls :
at 5pm + 2 weeks /bin/ls
Ã÷ÌìµÄ 17:20 Ö´ÐÐ /bin/date :
at 17:20 tomorrow /bin/date
1999 ÄêµÄ×îºóÒ»ÌìµÄ×îºóÒ»·ÖÖÓÓ¡³ö the end of world !
at 23:59 12/31/1999 echo the end of world !


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