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 *.* rm all None of these rm * rm -r * rm *.* rm all None of these rm * 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[a-z] cat emp[!0-9] cat emp[x-z] more [emp][!0-9] cat emp[a-z] cat emp[!0-9] cat emp[x-z] ANSWER DOWNLOAD EXAMIANS APP
Unix Which is the earliest and most widely used shell that came with the UNIX system? Korn shell Smith shell C shell None of these Bourne shell Korn shell Smith shell C shell None of these Bourne shell 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 print a file? pg prn print lp pg prn print lp ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display the end of the file? head - r bof tail eof None of these head - r bof tail eof None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS