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 move all files to the bin sub-directory of the parent directory? mv * /bin/* None of these mv * ../bin mv *.* /bin/ mv * ../bin *.* mv * /bin/* None of these mv * ../bin mv *.* /bin/ mv * ../bin *.* ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display the top of the file? grep more cat head grep more cat head ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to copy all files having the string chap and any two characters after that to the progs directory? cp chap?? /progs/* cp chap* progs cp chap[12] /progs/*.* cp chap?? progs cp chap?? /progs/* cp chap* progs cp chap[12] /progs/*.* cp chap?? progs ANSWER DOWNLOAD EXAMIANS APP
Unix The field separator in cut command is specified with #NAME? -c -r option None of these #NAME? -c -r option None of these ANSWER DOWNLOAD EXAMIANS APP
Unix The ls -l command tells None of these how large the file is and when the file was last modified. who the owner of the file is All of these the name of the group owner of the file None of these how large the file is and when the file was last modified. who the owner of the file is All of these the name of the group owner of the file ANSWER DOWNLOAD EXAMIANS APP
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