Unix Which of the following commands is used to get directory one level up? chdir cd/ None of these cd cd .. chdir cd/ None of these cd cd .. ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following keys is used to delete the character beneath the cursor? None of these X D x dd None of these X D x dd ANSWER DOWNLOAD EXAMIANS APP
Unix Which is the earliest and most widely used shell that came with the UNIX system? Smith shell Korn shell None of these Bourne shell C shell Smith shell Korn shell None of these Bourne shell C shell ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to extract specific columns from the file? paste cat cut grep paste cat cut grep ANSWER DOWNLOAD EXAMIANS APP
Unix The command used to compare the files is known as comp do cmp ccp comp do cmp ccp 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
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