Unix Which command is used to extract specific columns from the file? cut paste cat grep cut paste cat grep 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? find -name - mtime + 365 / - ok rm find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ; find -mtime +365 | rm None of these grep (/usr/*) - mtime + 365 | -ok rm find -name - mtime + 365 / - ok rm find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {} ; find -mtime +365 | rm None of these grep (/usr/*) - mtime + 365 | -ok rm ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display all the lines with the string 'sales' from the file empl.lst? cat | /sales > empl.lst cut sales empl.lst None of these /sales > empl.lst grep sales empl.lst cat | /sales > empl.lst cut sales empl.lst None of these /sales > empl.lst grep sales empl.lst ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display the characteristics of a process? au ps pid du au ps pid du ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories? rm -r * rm all rm * None of these rm *.* rm -r * rm all rm * None of these rm *.* ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following keys is used to overstrike a whole line? v R u C None of these v R u C None of these ANSWER DOWNLOAD EXAMIANS APP
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