$$ Display process ID
$# Display no. of parameters
$0 Display file name
$n n is a decimal number gives the parameters value passed in command
line in order
$* Display double quoted parameter (usually all parameters are double
quoted)
$? Display exit status of statement. Returns 0 if the statement was
executed successfully and returns Non-Zero if the statement was not
executed successfully.
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LINUX TERMINAL (UBUNTU) IN WINDOWS 10 || HOW TO USE LINUX TERMINAL IN WINDOWS 10
[ Ссылка ]
VI EDITOR BASICS IN LINUX / UNIX || LEARN VI EDITOR COMMANDS || LINUX || UNIX
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HOW TO EXECUTE PROGRAMS (C & PYTHON) IN LINUX TERMINAL (UBUNTU) || UBUNTU
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30 BASIC COMMANDS IN LINUX / UNIX || LINUX COMMANDS || UNIX COMMANDS || OPEN SOURCE
[ Ссылка ]
GREP COMMAND IN LINUX / UNIX || FILTERS IN LINUX || GREP FILTER || LINUX COMMANDS
[ Ссылка ]
COMM COMMAND IN LINUX / UNIX || FILTERS IN UNIX || COMM IN LINUX || LINUX COMMANDS
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CAL & SLEEP COMMANDS IN LINUX / UNIX || CALENDAR COMMAND || SLEEP COMMAND || LINUX / UNIX COMMANDS
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DATE COMMAND IN LINUX OR UNIX || DATE COMMAND || LINUX COMMANDS
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ECHO - ZIP - UNZIP - MAN COMMANDS IN LINUX / UNIX || LINUX COMMANDS || UNIX COMMANDS
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VARIABLES IN SHELL SCRIPTING - LINUX / UNIX || LINUX SHELL SCRIPTING || VARAIBLES IN LINUX / UNIX
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