Unix Which of the following special shell variables is used to process number of the current shell? None of these $* $$ $! None of these $* $$ $! ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to display your working directory? pwd prompt $p$g path dir pwd prompt $p$g path dir ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to count just the number of characters in a file? wc -r wc -c wc -w wc - 1 wc -r wc -c wc -w wc - 1 ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display all the lines with the string 'sales' from the file empl.lst? grep sales empl.lst /sales > empl.lst None of these cut sales empl.lst cat | /sales > empl.lst grep sales empl.lst /sales > empl.lst None of these cut sales empl.lst cat | /sales > empl.lst ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it? who > user.lst who | tee user.lst who >> user.lst None of these who < user.lste who > user.lst who | tee user.lst who >> user.lst None of these who < user.lste ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to copy a file wb with the same name from the programs directory to the misc directory? None of these cp programs/wb misc tar programs/wb misc/wb copy a:programs/wb b:misc/wb copy programs/wb misc/wb None of these cp programs/wb misc tar programs/wb misc/wb copy a:programs/wb b:misc/wb copy programs/wb misc/wb ANSWER DOWNLOAD EXAMIANS APP
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