Which of the following command addresses all users who are currently hooked on ?
Which of the following command addresses all users who are currently hooked on ?
A. write
B. mail
C. wall
D. mesg
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Which command is used to display the characteristics of a process ?
Which command is used to display the characteristics of a process ?A. pid
B. du
C. ps
D. auThe ls -l command tells_________________?
The ls -l command tells_________________?A. who the owner of the file is
B. the name of the group owner of the file
C. how large the file is and when the file was last modified.
D. All of the aboveWhat layer of OSI determines the interface of the system with the user ?
What layer of OSI determines the interface of the system with the user ?A. Session
B. Data-link
C. Application
D. NetworkTo build a modularized kernel, the kernel-headers and kernel-source packages must first be installed. Where will you find the kernel-headers and kernel-source ?
To build a modularized kernel, the kernel-headers and kernel-source packages must first be installed. Where will you find the kernel-headers and kernel-source ?A. /usr/local
B. /usr/src/linux
C. /usr/sre/redhat
D. /usr/binWhich command is used to display the device name of the terminal you are using ?
Which command is used to display the device name of the terminal you are using ?A. who
B. ls
C. tty
D. sttyWhat command is used to compare the files ?
What command is used to compare the files ?A. ccp
B. du
C. cmp
D. comp