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Logical Link Control and Adaptation Protocol(L2CAP)
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1.#uname -a
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2.# uname -m
x86_64
3.# arch
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4.#file /bin/cat
/bin/cat: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped
5.²é¿´cpuÊǶàÉÙλµÄ
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1. Q. How do you find out the processes that are currently running or a particular user?
   A. ps -au Myname   (-u by effective user ID (supports names)) (a - all users)
2. Q. How do you kill a process?
   A. kill -9  8 (process_id 8) or kill -9  %7  ( ......
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