Unix Which of the following commands is used to change the working directory? chdir changedir None of these cdir cd chdir changedir None of these cdir cd 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 command to count the number of files in the current directory by using pipes, is ls -l | wc -l ls | ws -c ls | wc -w ls | wc ls -l | wc -l ls | ws -c ls | wc -w ls | wc ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to create a directory? None of these md cr mkdir crdir None of these md cr mkdir crdir ANSWER DOWNLOAD EXAMIANS APP
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 * None of these rm all rm * rm *.* rm -r * None of these rm all rm * rm *.* 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
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