Unix Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? cat emp[a-z] cat emp[x-z] cat emp[!0-9] more [emp][!0-9] cat emp[a-z] cat emp[x-z] cat emp[!0-9] more [emp][!0-9] 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
Unix Which command is used to remove a file? rm remove del mv rm remove del mv ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following is invalid filename? TRY trial None of these my .file TRY trial None of these my .file ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to view your file 24 lines at a time? /p pg None of these cat lp /p pg None of these cat lp ANSWER DOWNLOAD EXAMIANS APP
Unix The second set of the three permissions (r-) indicates that owner has read permission only other has read permission only group has write permission only group has read permission only owner has read permission only other has read permission only group has write permission only group has read permission only ANSWER DOWNLOAD EXAMIANS APP