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Output
Standard File Descriptors Standard File Descriptors. Name Number Description STDIN 0 Stan...
Loop
For Statement for var in list do ... done The var variable can be normally used outside the...
Input
Positional Parameters Positional Parameters, script positional parameters. $0: script name, inc...
Function
Creating a Function function name { commands } or name() { commands } Function Return...
Condition
If Statement If the exit code of command is 0, then execute the content of then. if command then...
Linux Torvalds
How to pronounce this name is quite curious, searched it, and someone even made a collection, oh ...
ULIMIT
[todo]
Systemd
The first process of the system, with a process ID of 1. ps -p 1 PID TTY TIME CMD 1 ?...
Pipe
Basic Concepts A pipe can use the output of one command as the input of the next command, repres...
LSOF
[todo]