Which of the following is not a communication command?
Which of the following is not a communication command?
A. write
B. mesg
C. mail
D. grep
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NIS_____________________?
NIS_____________________?A. is Network Information Service
B. is a simple directory service whose main purpose is to allow remote authentication of systems on local network systems
C. was formerly known as yellow pages
D. allows configuration-such as password and group filesWhich option is used with the chmod command recursively to all files and sub-directories in a directory ?
Which option is used with the chmod command recursively to all files and sub-directories in a directory ?A. -1
B. -i
C. -x
D. -RWhich of the following directories contain all the Alias created by a user, including his login directory ?
Which of the following directories contain all the Alias created by a user, including his login directory ?A. /tmp
B. /etc
C. /usr
D. /devWhich of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note ?
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note ?A. chmod 761 note
B. chmod 671 note
C. chmod 167 note
D. chmod 4=rwx, g=rw noteWhat sign is used to erase or kill an entire line you have typed and start you are on a new line (but not display a new prompt) ?
What sign is used to erase or kill an entire line you have typed and start you are on a new line (but not display a new prompt) ?A. !
B. $
C. #
D. @What command is used to compare the files ?
What command is used to compare the files ?A. ccp
B. du
C. cmp
D. comp