whenever i execute find command for searching for some file


find . -name "abc"

specially from the root,it displays lots of "cannot open or cannot search "

how can suppress those messages?is there any flag for that?


You can direct the standard error stream to /dev/null, viz:

find . -name "abc" 2>/dev/null

you can suppress by piping stderr(2) to /dev/null or to a log file for later viewing

find . -name "abc" 2>/dev/null
find . -name "abc" 2>/errorlog.txt

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