Unix Which command is used to make all files and sub-directories in the directory (progs) executable by all users? chmod -R 222 progs chmod -1 a+x progs chmod -x a+x progs chmod -R a+x progs chmod -R 222 progs chmod -1 a+x progs chmod -x a+x progs chmod -R a+x progs ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following command addresses all users who are currently hooked on? write mail wall mesg write mail wall mesg ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to assign executable permission to the owner of the file named "note"? chmod ugo+x note chmod u+w note chmod g+x note chmod u+x note chmod ugo+x note chmod u+w note chmod g+x note chmod u+x note ANSWER DOWNLOAD EXAMIANS APP
Unix Which option will be used with touch command to change the access time? #NAME? -r option pid None of these #NAME? -r option pid None of these ANSWER DOWNLOAD EXAMIANS APP
Unix In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory. lastlogin .profile None of these .mbox .exrc lastlogin .profile None of these .mbox .exrc 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