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 delete all files in the current directory as well as all files and sub-directories in its subdirectories? None of these rm * rm -r * rm *.* rm all None of these rm * rm -r * rm *.* rm all ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to obtain a list of all files by modification time? ls -t ls -i ls -1 ls -R ls -t ls -i ls -1 ls -R ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following command is used to go to home directory? cd/ cd None of these cd.. cd HOME. cd/ cd None of these cd.. cd HOME. 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? cp programs/wb misc/wbx tar programs/wb misc/wbx copy programs/wb misc/wbx copy a:programs/wb b:misc/wbx cp programs/wb misc/wbx tar programs/wb misc/wbx copy programs/wb misc/wbx copy a:programs/wb b:misc/wbx ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to display your working directory? dir path pwd prompt $p$g dir path pwd prompt $p$g ANSWER DOWNLOAD EXAMIANS APP
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