?? example14.22
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if [ "$name" = "" ] # Alternative to [ ! "$name" ] # or [ -z "$name" ]then echo The name variable is nullfi# (From System showmount program, which displays all remotely mounted systems)remotes=$(/usr/sbin/showmount)if [ "X${remotes}" != "X" ] then /usr/sbin/wall ${remotes} # ...fi?? 快捷鍵說明
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