Unix Which of command is used to copy a file? copy None of these cp cpio tar copy None of these cp cpio tar ANSWER DOWNLOAD EXAMIANS APP
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 command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? cat emp[!0-9] cat emp[x-z] more [emp][!0-9] cat emp[a-z] cat emp[!0-9] cat emp[x-z] more [emp][!0-9] cat emp[a-z] ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following shell's wildcards are used to match any number of characters including none? None of these [ijk] [!ijk] * ? None of these [ijk] [!ijk] * ? 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 symbol will be used with grep command to match the pattern pat at the beginning of a line? $pat pat$ ^pat pat^ $pat pat$ ^pat pat^ ANSWER DOWNLOAD EXAMIANS APP