Unix Which of the following keys is used to overstrike a whole line? None of these v u C R None of these v u C R ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? more [emp][!0-9] cat emp[!0-9] cat emp[a-z] cat emp[x-z] more [emp][!0-9] cat emp[!0-9] cat emp[a-z] cat emp[x-z] ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used with vi editor to move cursor forward to first occurrence of character 'ch' in the current line? ech fch rch tch None of these ech fch rch tch None of these 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 None of these grep sales empl.lst cut sales empl.lst /sales > empl.lst cat | /sales > empl.lst None of these grep sales empl.lst cut sales empl.lst /sales > empl.lst ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following special shell variables is used to process number of the last background job? $* $! $# $0 $* $! $# $0 ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display and create files? lyrix ed cat vi lyrix ed cat vi ANSWER DOWNLOAD EXAMIANS APP