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What command with all options and/or parameter will send the signal USR1 to any executing process of program apache2?()
答案:
KILLALL-SUSR1APACHE2
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Which command (without options) would you use to display how much space is available on all mounted partitions?()
答案:
/BIN/DF
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With Xorg 7.0, what is the name of the default font server?()
A. xfserv
B. xfs
C. fonts
D. xfstt
E. fserv
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