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terminal.md

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Linux Terminal

Running/launching a program from the terminal:

program-name # if it is accessible globally
./program-name # if the executable is in the current directory

Adding a space and an ampersand & after program name will launch it in the background.

The programmes launched from terminal will run with their default debug/error message visible.

program-name > output.txt # write all the program output to a file with filename `output.txt`
program-name > /dev/null # suppress stdout
program-name 2> /dev/null # suppress stderr
program-name > /dev/null 2>&1 # suppress stdout and stderr