Unix Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? cat emp[!0-9] cat emp[x-z] more [emp][!0-9] cat emp[a-z] cat emp[!0-9] cat emp[x-z] more [emp][!0-9] cat emp[a-z] ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to get directory one level up? cd .. cd cd/ None of these chdir cd .. cd cd/ None of these chdir 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$ $pat None of these ^pat pat^ pat$ $pat None of these ^pat pat^ ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is not the vi Input mode command? rch R None of these j S rch R None of these j S 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+rw note chmod go+r note chmod go-r note chmod go-x note chmod go+rw note chmod go+r note chmod go-r note chmod go-x note ANSWER DOWNLOAD EXAMIANS APP
Unix The command that can be used to restrict incoming messages to a user is halt sleep mesg grep None of these halt sleep mesg grep None of these ANSWER DOWNLOAD EXAMIANS APP
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