UNIX Shells by Example (4th Edition)
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n command 2nd naming debugging issues variable name errors nawk [See also awk] arguments, command line command arguments defined functions, user -defined 2nd input, reading nawk utility negation operator 2nd nested [See also loops ] if statements loops Bash C shell switches nested loops Bourne shell Korn shell newgrp utility news utility next command NF variable nf variable nice utility noclobber variable noglob variable Korn shell nohup utility NOT operator Novell NR variable awk null command Bash Bourne shell Korn shell null values, checking 2nd null variable numbers , random generator
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