Tag: operating systems
Questions Related to operating systems
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change
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setfscl
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chown
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chmod
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this
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that
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this other
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this that other
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test $a -eq $b
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test a -eq b
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test $a -equal $b
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test $a = $b
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sleep 1 & echo $!
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sleep 1 & echo $?
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sleep 1 & echo $#
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sleep 1 & echo $$
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ls -lrt file1
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ls -lR file1
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find . -s file1
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find . -name file1
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$# will print the same
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$? will print the same
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$! will print the same
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$$ will print the same
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goodbye
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hello
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hellox
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hellogoodbye
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if the output of “cmp -s file1 file2” is not zero
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if the output of “cmp -s file1 file2” is zero
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if the output of “cmp -s file1 file2” is one
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if the output of “cmp -diff file1 file2” is zero