Unix Which of the following is invalid filename? trial my .file TRY None of these trial my .file TRY None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories? rm *.* rm all None of these rm -r * rm * rm *.* rm all None of these rm -r * rm * ANSWER DOWNLOAD EXAMIANS APP
Unix If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use tty ^c stty echoe stty intr ^c stty echo ^a tty ^c stty echoe stty intr ^c stty echo ^a 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[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] cat emp[a-z] ANSWER DOWNLOAD EXAMIANS APP
Unix The command that can be used to restrict incoming messages to a user is halt mesg None of these sleep grep halt mesg None of these sleep grep ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to terminate a process? kill haltsys cancel shutdown kill haltsys cancel shutdown ANSWER DOWNLOAD EXAMIANS APP
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