.\" @(#)newgrp.1 4.1 (Berkeley) 4/29/85 .\" .TH NEWGRP 1 .AT 3 .SH NAME newgrp \- log in to a new group .SH SYNOPSIS .B newgrp group .SH DESCRIPTION .I Newgrp changes the group identification of its caller, analogously to .IR login (1). The same person remains logged in, and the current directory is unchanged, but calculations of access permissions to files are performed with respect to the new group ID. .PP A password is demanded if the group has a password and the user himself does not. .PP .I Newgrp is known to the shell, which executes it directly without a fork. .SH FILES /etc/group, /etc/passwd .SH "SEE ALSO" login(1), group(5) .SH BUGS