Multiple processes write to log file at the same time

UNIX for Advanced & Expert Users
1

If we have 3 process to write to same log file at the same time like below. will it cause the data outdated because the multiple process writing same time? It this a safe way to keep the log for multiple process?

p1 >> test.log &;
p2 >> test.log &;
p3 >> test.log &

Thanks,

2

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http://www.unix.com/shell-programming-scripting/145036-multiple-process-write-same-log-file-same-time.html\#post302456944

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