Unix Which command is used to extract specific columns from the file? cut grep cat paste cut grep cat paste ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to summarize the disk usage? du fdisk None of these disk chkdsk du fdisk None of these disk chkdsk ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it? who >> user.lst None of these who | tee user.lst who > user.lst who < user.lste who >> user.lst None of these who | tee user.lst who > user.lst who < user.lste ANSWER DOWNLOAD EXAMIANS APP
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 concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? cat emp[a-z] cat emp[x-z] more [emp][!0-9] cat emp[!0-9] cat emp[a-z] cat emp[x-z] more [emp][!0-9] cat emp[!0-9] ANSWER DOWNLOAD EXAMIANS APP
Unix Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it -r None of these #NAME? -1 -r None of these #NAME? -1 ANSWER DOWNLOAD EXAMIANS APP
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