Unix Which command is used to display the top of the file? more grep head cat more grep head cat ANSWER DOWNLOAD EXAMIANS APP
Unix The File that contains a set of instructions which are performed when a user logs in, is .autoexec None of these .profile autoexec.bat .exrc .autoexec None of these .profile autoexec.bat .exrc ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to remove files? erase rm delete None of these dm erase rm delete None of these dm ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to extract specific columns from the file? grep cut paste cat grep cut paste cat ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to obtain a list of all files by modification time? ls -t ls -R ls -1 ls -i ls -t ls -R ls -1 ls -i ANSWER DOWNLOAD EXAMIANS APP
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[!0-9] more [emp][!0-9] cat emp[x-z] cat emp[a-z] cat emp[!0-9] more [emp][!0-9] cat emp[x-z] ANSWER DOWNLOAD EXAMIANS APP
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