Package operatingsystem contains functions for operatingsystem-tasks, like file system operations.
Change to directory dir
Create directory dir
remove directory dir
Examples:
(%i1) load("operatingsystem")$
(%i2) mkdir("testdirectory")$
(%i3) chdir("testdirectory")$
(%i4) chdir("..")$
(%i5) rmdir("testdirectory")$