Unix Which of the following command addresses all users who are currently hooked on? mail write mesg wall mail write mesg wall ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to update access and modification times of a file? grep touch wc cat grep touch wc cat ANSWER DOWNLOAD EXAMIANS APP
Unix Which symbol is used to separate more than one command in the same command line? # ; $ : # ; $ : ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following command is used to count just the number of lines contained in a file? None of these wc -r wc -c wc -l wc -w None of these wc -r wc -c wc -l wc -w ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to extract specific columns from the file? cat paste grep cut cat paste grep cut ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory? tar programs/wb misc/wbx copy programs/wb misc/wbx cp programs/wb misc/wbx copy a:programs/wb b:misc/wbx tar programs/wb misc/wbx copy programs/wb misc/wbx cp programs/wb misc/wbx copy a:programs/wb b:misc/wbx ANSWER DOWNLOAD EXAMIANS APP
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