Unix Which of the following signs is used to back up over typing errors in vi? None of these # ! $ @ None of these # ! $ @ ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to make all files and sub-directories in the directory (progs) executable by all users? chmod -x a+x progs chmod -R a+x progs chmod -1 a+x progs chmod -R 222 progs chmod -x a+x progs chmod -R a+x progs chmod -1 a+x progs chmod -R 222 progs ANSWER DOWNLOAD EXAMIANS APP
Unix The special shell variable $* is used to name the command being executed to exit status of ast command executed. to process number of the current shell None of these to list the positional parameters to name the command being executed to exit status of ast command executed. to process number of the current shell None of these to list the positional parameters ANSWER DOWNLOAD EXAMIANS APP
Unix The command used to compare the files is known as ccp do comp cmp ccp do comp cmp ANSWER DOWNLOAD EXAMIANS APP
Unix In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory. .profile None of these .exrc .mbox lastlogin .profile None of these .exrc .mbox lastlogin ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following keys is used to replace a single character with new text? s R S r s R S r ANSWER DOWNLOAD EXAMIANS APP
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