Bash calculate and Arithmetic Operators
When the shell encounters $(( expression )), it evaluates expression and places the result on the command line; expression is...
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Bash loop examples | Linux
When a command or series of commands needs to be repeated, it is put inside a loop. The shell provides...
Create linux service script example
The autostart variable is set to yes if the first parameter passed to the script was -a. This variable was...
How To Run A ShellScript in background
You can do shell script run in background using following steps. nohup and disown a process As standard, when a...
How To Use Array In Bash Script | Linux
The fact that arrays are structurally different from other variables means that some new syntax is required to manipulate arrays....
Globignore example in Bash | Linux
GLOBIGNORE is a special variable which is used by the globbing feature of bash, to omit certain patterns from a...
Shellopts in Bash | linux
SHELLOPTS is similar to BASHOPTS; it is a list of -o options set. So if you set -o vi, then...
Bash shell options bashopts | linux
BASHOPTS is new in bash 4.1. It is a list of the enabled shell options (shopts). It gives the same...
Bash read line in file
The most basic method of reading the contents of a file is a while loop with its input redirected: while...
Bash string manipulation methods| Linux
There are no direct parameter expansions to give either the first or last character of a string, but by using...