Update page 'Q3'
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Q3.md
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Q3.md
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Zadanie 1<br>
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cat abc.txt | tr [:space:] '****'<br>
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cat abc.txt | tr [:space:] '*'<br>
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Zadanie 2<br>
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$cat geekfile | tr “[:lower:]” “[:upper:]”
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sed '1,$ s/txt/TXT/'<br>
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Zadanie 3<br>
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if [ -o ps ax.Contains("2592 pts/2 Ss 0:00 /bin/bash ]<br>
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then<br>
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exit<br>
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Zadanie 4<br>
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