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swap by using the fsck command to divide a partition into a swap, and then use the MKSWAP command to format the partition as swap, and then use the Swapon The device file name "to start the swap device. can use Free This memory view command to see if swap is loaded correctly. In addition to building a partition into swap, you can use a large file to construct the swap, which is similar. you can also use Swapoff to release swap files when you use a file to build swap. This chapter is a summary

data segments?) ） The glibc is used to satisfy the large allocation, the threshold value is generally 128KB p = mmap (NULL, 512*1024, prot_read| Prot_write, map_anonymous| Map_private,-1, 0); mallopt* $ malloc_check=1./test P300 do not use ALLOCA () allocated memory as arguments to function calls C99 variable length Array (vlas): Char buf[i]; Memory operations Memset, bzero ==〉 priority to use Calloc? memcmp

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My name Guo Dongjie, after the old boy education ops 5-6 months after study, I must achieve the salary target is 15K, in order to achieve this goal I will take the following 10 big lines to:1, every day to learn the old boy video tutorials more than 5 hours;2. Sum up all the orders in class and class;3, earnestly complete the homework left by the teacher;4, do not live up to the expectations of teachers, live up to the old boys education;5, every night to go home to review the commands learned b

My name is Wang Xiaofu, after the old boy education ops 5-6 months to study, I must achieve the salary target is 25k/m , in order to achieve this goal, I will take the following ten actions:1. Listen carefully in class, follow the rhythm of the teacher, do a good lesson notes;2. Carefully preview before class, write good preparation notes;3. After-class review carefully, write good review notes;4. Diligent thinking, more hands-on, more practice, do not understand the problem must be understood,

My name Jiang from the good, after the old boy education transport Viban 5-6 After months of study , I have to meet the salary target is 9 K in order to achieve this goal I will take the following actions:1. Pre-class preview, class do not play mobile phones, do not answer the phone, after the completion of the notes to write the whole.2. Study Linux3-5 hours a day3. The first time to finish the homework carefully.4. Write 3-5 python applet per day.5. Read a management

My name is Zhang Zhiqiang, in the old boy education to learn Linux operation and maintenance to graduate, I must achieve the goal is, after-tax monthly salary of 10K. In order to achieve this goal I take the following measures:First: Get up 6 o'clock in the morning every day. Sleep 11 o'clock in the evening. No less than 5 hours of study time per day. Minimum sleep time 6 hoursSecond: Follow the teacher's thinking in class. Preview, organize, take not

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