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1 /* 2 * Finalizes the stack vm_area_struct. The flags and permissions are updated, 3 * the stack is optionally relocated, and some extra space is added. 4 */ 5 6 /** The macro below ... 阅读全文
摘要:
either '$(foo)' or '${foo}' is a valid reference to the variable foo. This special significance of '$' is why you must write '$$' to have the effect o 阅读全文
摘要:
The /var/log/wtmp file records all logins and logouts. The /var/log/lastlog file records when each user last logged in. The /var/log/faillog file reco 阅读全文