Question

1. Using a Linux command-line interpreter, show the screenshots for executing the following commands: (1) display the current working directory, (2) list the contents of a directory, (3) change directory, (4) create a directory, (5) clear the screen, (6) copy a file from a directory into another directory, (7) delete a directory, (8) delete a file, (9) report information for a single process or set of processes, and (10) report a real-time statistics for current processes.

Answer 1

(1) display the current working directory - pwd,

(2) list the contents of a directory - ls,

(3) change directory - cd <'Destination Directory'>
EX. cd Test2,

(4) create a directory mkdir <'New Directory Name'>
EX. mkdir Test3,

(5) clear the screen - clear

,
(6) copy a file from a directory into another directory - cp <' source dir name'>/<'file name'> <'destination dir name'>
EX. cp Test2/test.txt Text3

,
(7) delete a directory - for empty directories -> rmdir <'Dir Name'>
EX. rmdir Test3

for non empty directories -> rm -r <'dir name'>

EX. rm -r Test2

,

(8) delete a file - rm <'file name'>
EX. rm test.txt

(9) report information for a single process or set of processes - 1>for single process -> top -p <'PID of process'>
EX. top -p 2

2> for a set of process -> top -p <'PID-1'>,<'PID-2'>,<'PID-3'>,....
EX. top -p 2,3,4

(10) report real-time statistics for current processes - top

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