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From the bash manual:

history-size (unset)

Set the maximum number of history entries saved in the history list. If set to zero, any existing history entries are deleted and no new entries are saved. If set to a value less than zero, the number of history entries is not limited. By default, the number of history entries is set to the value of the HISTSIZE shell variable. If an attempt is made to set history-size to a non-numeric value, the maximum number of history entries will be set to 500.

So if you set HISTSIZE, don't set history-size in .inputrc. The readline library (for which .inputrc is the configuration) does not care what you set HISTFILESIZE to. HISTFILESIZE is the size that the history file ($HISTFILE) is truncated to when a bash shell session exits (by bash, not by the readline library).

The nocaseglob shell option is not the same as the completion-ignore-case setting in .inputrc. The shell option is about filename globbing behaviour, while the readline setting has to do with filename completion (when you press Tab on the command line).

The .inputrc settings affect all programs that uses the readline library, not just bash.

Note that both HISTSIZE and HISTFILESIZE are shell variables, not environment variables, and therefore do not need to be exported.

From the bash manual:

history-size (unset)

Set the maximum number of history entries saved in the history list. If set to zero, any existing history entries are deleted and no new entries are saved. If set to a value less than zero, the number of history entries is not limited. By default, the number of history entries is set to the value of the HISTSIZE shell variable. If an attempt is made to set history-size to a non-numeric value, the maximum number of history entries will be set to 500.

So if you set HISTSIZE, don't set history-size in .inputrc. The readline library (for which .inputrc is the configuration) does not care what you set HISTFILESIZE to. HISTFILESIZE is the size that the history file ($HISTFILE) is truncated to when a bash shell session exits (by bash, not by the readline library).

According to the question "https://unix.stackexchange.com/questions/20861/is-there-a-way-to-set-the-size-of-the-history-list-in-bash-to-more-than-5000-lin", the history-size setting of the readline library seems to override the HISTSIZE setting in the shell, if both are set.

The nocaseglob shell option is not the same as the completion-ignore-case setting in .inputrc. The shell option is about filename globbing behaviour, while the readline setting has to do with filename completion (when you press Tab on the command line).

The .inputrc settings affect all programs that uses the readline library, not just bash.

bash may be started without readline support by invoking it with the --noediting flag.

Note that both HISTSIZE and HISTFILESIZE are shell variables, not environment variables, and therefore do not need to be exported.

From the bash manual:

history-size (unset)

Set the maximum number of history entries saved in the history list. If set to zero, any existing history entries are deleted and no new entries are saved. If set to a value less than zero, the number of history entries is not limited. By default, the number of history entries is set to the value of the HISTSIZE shell variable. If an attempt is made to set history-size to a non-numeric value, the maximum number of history entries will be set to 500.

So if you set HISTSIZE, don't set history-size in .inputrc. The readline library (for which .inputrc is the configuration) does not care what you set HISTFILESIZE to. HISTFILESIZE is the size that the history file ($HISTFILE) is truncated to when a bash shell session exits (by bash, not by the readline library).

The nocaseglob shell option is not the same as the completion-ignore-case setting in .inputrc. The shell option is about filename globbing behaviour, while the readline setting has to do with filename completion (when you press Tab on the command line).

The .inputrc settings affect all programs that uses the readline library, not just bash.

Note that both HISTSIZE and HISTFILESIZE are shell variables, not environment variables, and therefore does not need to be exported.

From the bash manual:

history-size (unset)

Set the maximum number of history entries saved in the history list. If set to zero, any existing history entries are deleted and no new entries are saved. If set to a value less than zero, the number of history entries is not limited. By default, the number of history entries is set to the value of the HISTSIZE shell variable. If an attempt is made to set history-size to a non-numeric value, the maximum number of history entries will be set to 500.

So if you set HISTSIZE, don't set history-size in .inputrc. The readline library (for which .inputrc is the configuration) does not care what you set HISTFILESIZE to. HISTFILESIZE is the size that the history file ($HISTFILE) is truncated to when a bash shell session exits (by bash, not by the readline library).

The nocaseglob shell option is not the same as the completion-ignore-case setting in .inputrc. The shell option is about filename globbing behaviour, while the readline setting has to do with filename completion (when you press Tab on the command line).

The .inputrc settings affect all programs that uses the readline library, not just bash.

Note that both HISTSIZE and HISTFILESIZE are shell variables, not environment variables, and therefore do not need to be exported.

From the bash manual:

history-size (unset)

Set the maximum number of history entries saved in the history list. If set to zero, any existing history entries are deleted and no new entries are saved. If set to a value less than zero, the number of history entries is not limited. By default, the number of history entries is set to the value of the HISTSIZE shell variable. If an attempt is made to set history-size to a non-numeric value, the maximum number of history entries will be set to 500.

So if you set HISTSIZE, don't set history-size in .inputrc. The readline library (for which .inputrc is the configuration) does not care what you set HISTFILESIZE to. HISTFILESIZE is the size that the history file ($HISTFILE) is truncated to when a bash shell session exits (by bash, not by the readline library).

The nocaseglob shell option is not the same as the completion-ignore-case setting in .inputrc. The shell option is about filename globbing behaviour, while the readline setting has to do with filename completion (when you press Tab on the command line).

The .inputrc settings affect all programs that uses the readline library, not just bash.

Note that both HISTSIZE and HISTFILESIZE are shell variables, not environment variables, and therefore should not be exported.

From the bash manual:

history-size (unset)

Set the maximum number of history entries saved in the history list. If set to zero, any existing history entries are deleted and no new entries are saved. If set to a value less than zero, the number of history entries is not limited. By default, the number of history entries is set to the value of the HISTSIZE shell variable. If an attempt is made to set history-size to a non-numeric value, the maximum number of history entries will be set to 500.

So if you set HISTSIZE, don't set history-size in .inputrc. The readline library (for which .inputrc is the configuration) does not care what you set HISTFILESIZE to. HISTFILESIZE is the size that the history file ($HISTFILE) is truncated to when a bash shell session exits (by bash, not by the readline library).

The nocaseglob shell option is not the same as the completion-ignore-case setting in .inputrc. The shell option is about filename globbing behaviour, while the readline setting has to do with filename completion (when you press Tab on the command line).

The .inputrc settings affect all programs that uses the readline library, not just bash.

Note that both HISTSIZE and HISTFILESIZE are shell variables, not environment variables, and therefore does not need to be exported.