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 the directory attributes rather than its contents? ls -l -d ls -F ls -x ls -l ls -l -d ls -F ls -x ls -l ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to remove a file? rm remove mv del rm remove mv del ANSWER DOWNLOAD EXAMIANS APP
Unix Which of following commands is used for an automatic reminder service? mesg write calendar mail None of these mesg write calendar mail None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to view your file 24 lines at a time? pg cat /p lp None of these pg cat /p lp None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to have a two-way communication with any person who is currently logged in? mesg None of these mail write grep mesg None of these mail write grep ANSWER DOWNLOAD EXAMIANS APP
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