yacc and lex tool reg

hi,
iam using opensuice11.0 as operating system.how can i run yacc and lex tools.
please send me what are the required softwares i have to download
to execute programs

Hi, and welcome to this forum

Using yast please install the ‘bison’ and ‘flex’ packages. That should do the trick. These packages are in the following repository: Index of /distribution/11.0/repo/oss/suse