What command is used to list contents of directories ?
What command is used to list contents of directories ?
A. tar
B. dir
C. lp
D. ls
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Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory ?
Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory ?A. copy wb ../misc collect ../misc mon ../misc
B. cp wb collect mon ../misc
C. copy wb collect mon /misc
D. tar wb collect mon /miscWhich of the following shell’s wildcards are used to match any number of characters including none ?
Which of the following shell’s wildcards are used to match any number of characters including none ?A. [ijk]
B. [!ijk]
C. ?
D. *The special shell variable $* is used________________?
The special shell variable $* is used________________?A. to exit status of ast command executed.
B. to process number of the current shell
C. to list the positional parameters
D. to name the command being executedNIS_____________________?
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 filesWhat shell’s wild-card is used to match a single character ?
What shell’s wild-card is used to match a single character ?A. [!ijk]
B. [ijk]
C. ?
D. *Which of the following commands is not the vi Input mode command ?
Which of the following commands is not the vi Input mode command ?A. rch
B. R
C. S
D. j