Download Bash Guide For Beginners by Machtelt Garrels PDF

By Machtelt Garrels

ISBN-10: 0974433942

ISBN-13: 9780974433943

No matter if you are simply beginning out with Linux or trying to hone your latest abilities, this e-book offers you the data you would like.

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Sample text

The full pathname used to execute the current instance of Bash. If this variable is set when Bash is invoked to execute a shell script, its value is expanded and used as the name of a startup file to read before executing the script. The version number of the current instance of Bash. A read−only array variable whose members hold version information for this instance of Bash. Used by the select built−in to determine the terminal width when printing selection lists. Automatically set upon receipt of a SIGWINCH signal.

Used by the select built−in to determine the column length for printing selection LINES lists. A string that fully describes the system type on which Bash is executing, in the MACHTYPE standard GNU CPU−COMPANY−SYSTEM format. How often (in seconds) that the shell should check for mail in the files specified in MAILCHECK the MAILPATH or MAIL variables. OLDPWD The previous working directory as set by the cd built−in. OPTERR If set to the value 1, Bash displays error messages generated by the getopts built−in.

Used by the select built−in to determine the column length for printing selection LINES lists. A string that fully describes the system type on which Bash is executing, in the MACHTYPE standard GNU CPU−COMPANY−SYSTEM format. How often (in seconds) that the shell should check for mail in the files specified in MAILCHECK the MAILPATH or MAIL variables. OLDPWD The previous working directory as set by the cd built−in. OPTERR If set to the value 1, Bash displays error messages generated by the getopts built−in.

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Bash Guide For Beginners by Machtelt Garrels


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