Unix Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? 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] cat emp[!0-9] ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to change the working directory? cd cdir changedir chdir None of these cd cdir changedir chdir None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to remove a file? mv remove del rm mv remove del rm 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 display a file contents in octal form? of cd oct od of cd oct od ANSWER DOWNLOAD EXAMIANS APP
Unix Which command will be used with vi editor to replace single character under cursor with any number of characters? a S s A a S s A ANSWER DOWNLOAD EXAMIANS APP
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