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20
votes
3answers
13k views
How big is the pipe buffer?
As a comment in I'm confused as to why "| true" in a makefile has the same effect as "|| true" user cjm wrote:
Another reason to avoid | true is that if the command ...
4
votes
1answer
274 views
Ksh loses data after piping 16K bytes
I recently found that ksh may lose some data after printing more than 16K bytes to the stdout if it is blocked for a couple of seconds.
This test.sh script prints out 257*64 (16448) bytes:
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12
votes
1answer
585 views
Is there truth to the philosophy that you should sync; sync; sync; sync?
When I was first introduced to Linux, working at Cisco Systems in 2000, I was taught the merits of the sync command, used to flush buffers to disk to prevent filesystem corruption / data loss. I was ...
