Bash: Getting first digit of a string Post: 302909574

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LEARN ABOUT LINUX

vigr

VIPW(8) 						    System Management Commands							   VIPW(8)

NAME

       vipw, vigr - edit the password, group, shadow-password or shadow-group file

SYNOPSIS

       vipw [options]

       vigr [options]

DESCRIPTION

       The vipw and vigr commands edits the files /etc/passwd and /etc/group, respectively. With the -s flag, they will edit the shadow versions
       of those files, /etc/shadow and /etc/gshadow, respectively. The programs will set the appropriate locks to prevent file corruption. When
       looking for an editor, the programs will first try the environment variable $VISUAL, then the environment variable $EDITOR, and finally the
       default editor, vi(1).

OPTIONS

       The options which apply to the vipw and vigr commands are:

       -g, --group
	   Edit group database.

       -h, --help
	   Display help message and exit.

       -p, --passwd
	   Edit passwd database.

       -q, --quiet
	   Quiet mode.

       -s, --shadow
	   Edit shadow or gshadow database.

ENVIRONMENT

       VISUAL
	   Editor to be used.

       EDITOR
	   Editor to be used if VISUAL is not set.

FILES

       /etc/group
	   Group account information.

       /etc/gshadow
	   Secure group account information.

       /etc/passwd
	   User account information.

       /etc/shadow
	   Secure user account information.

SEE ALSO

       vi(1), group(5), gshadow(5) , passwd(5), , shadow(5).

System Management Commands					    06/24/2011								   VIPW(8)

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