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 * rm -r * rm all None of these rm *.* rm * rm -r * rm all None of these rm *.* ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following keys is used to replace a single character with new text? r R s S r R s S ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory? copy programs/wb misc/wbx cp programs/wb misc/wbx tar programs/wb misc/wbx copy a:programs/wb b:misc/wbx copy programs/wb misc/wbx cp programs/wb misc/wbx tar programs/wb misc/wbx copy a:programs/wb b:misc/wbx 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 of the following shell's wildcards are used to match any number of characters including none? [!ijk] ? * None of these [ijk] [!ijk] ? * None of these [ijk] ANSWER DOWNLOAD EXAMIANS APP
Unix The seventh field of /etc/password is login home shell None of these password login home shell None of these password ANSWER DOWNLOAD EXAMIANS APP
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