Unix Which of the following commands is used to have a two-way communication with any person who is currently logged in? write mail mesg None of these grep write mail mesg None of these grep ANSWER DOWNLOAD EXAMIANS APP
Unix Which symbol will be used with grep command to match the pattern pat at the end of a line? ^pat None of these $pat pat^ pat$ ^pat None of these $pat pat^ pat$ ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following is invalid filename? my .file TRY trial None of these my .file TRY trial None of these ANSWER DOWNLOAD EXAMIANS APP
Unix If a file has read and write permissions for the owner, then the octal representation of the permissions will be 6 5 None of these 1 3 6 5 None of these 1 3 ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to change the working directory? None of these cd chdir cdir changedir None of these cd chdir cdir changedir ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to remove the read permission of the file 'note' from both the group and others? chmod go-r note chmod go+rw note chmod go-x note chmod go+r note chmod go-r note chmod go+rw note chmod go-x note chmod go+r note ANSWER DOWNLOAD EXAMIANS APP