Unix Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file? ls ~ x ls -l Ip ls -F -x ls ~ x ls -l Ip ls -F -x ANSWER DOWNLOAD EXAMIANS APP
Unix You can append to a file instead of overwriting by using the > symbols < symbols >> symbols None of these > symbols < symbols >> symbols None of these 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
Unix Which of the following commands is used to have a two-way communication with any person who is currently logged in? None of these write grep mail mesg None of these write grep mail mesg ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to sort the lines of data in a file in reverse order st sh sort sort -r st sh sort sort -r 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* progs cp chap[12] /progs/*.* cp chap?? /progs/* cp chap?? progs cp chap* progs cp chap[12] /progs/*.* ANSWER DOWNLOAD EXAMIANS APP
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