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 view your file 24 lines at a time? /p cat lp pg None of these /p cat lp pg None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following is invalid filename? TRY my .file trial None of these TRY my .file trial None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year? None of these find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ; grep (/usr/*) - mtime + 365 | -ok rm find -name - mtime + 365 / - ok rm find -mtime +365 | rm None of these find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ; grep (/usr/*) - mtime + 365 | -ok rm find -name - mtime + 365 / - ok rm find -mtime +365 | rm ANSWER DOWNLOAD EXAMIANS APP
Unix While working with mail command, which command is used to save mail in a separate file? s d r w s d r w ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to count the total number of lines, words, and characters contained in a file. None of these wc countw count p wcount None of these wc countw count p wcount ANSWER DOWNLOAD EXAMIANS APP