Track changes in parallel PR's, plus a few adjustments

library/UNIXUTILS

@@ -1,12 +1,12 @@
 (DEFINE-FILE-INFO :PACKAGE "INTERLISP" :READTABLE "INTERLISP" :BASE 10)
 
-
(FILECREATED "27-Apr-2026 11:10:07" {DSK}<home>frank>il>medley>library>UNIXUTILS.;7
 21772  
+
(FILECREATED "28-Apr-2026 09:59:13" {WMEDLEY}<library>UNIXUTILS.;61
 22079  
 
-      :EDIT-BY "FGH"
+      :EDIT-BY rmk
 
-      :CHANGES-TO (FNS ShellOpen SLASHIT)
+      :CHANGES-TO (VARS UNIXUTILSCOMS)
 
-      :PREVIOUS-DATE "31-Mar-2026 00:14:19" {DSK}<home>frank>il>medley>library>UNIXUTILS.;3)
+      :PREVIOUS-DATE "27-Apr-2026 11:10:07" {MEDLEY}<library>UNIXUTILS.;60)
 
 
 (PRETTYCOMPRINT UNIXUTILSCOMS)
@@ -23,6 +23,7 @@
                         (ShellOpener NIL RESET)))
         (FNS ShellBrowser ShellBrowse ShellOpener ShellOpen PROCESS-COMMAND SLASHIT UNIX-FILE-NAME 
              UNIX-TMP-FILE-NAME)
+        (COMMANDS "cd" cdm "ls" "pwd")
         (PROPS (UNIXUTILS FILETYPE))))
 (DECLARE%: EVAL@COMPILE DONTCOPY 
 
@@ -371,10 +372,20 @@
        unless
 (INFILEP UNAME) do
 (RETURN (SLASHIT
 (CLOSEF (OPENSTREAM UNAME 'OUTPUT 'NEW])
 )
 
+(DEFCOMMAND "cd" (DIR) (/CNDIR DIR))
+
+(DEFCOMMAND cdm (SUBDIR) (/CNDIR (CL:IF SUBDIR
+                                     (CONCAT '{MEDLEY}/ SUBDIR)
+                                     '{MEDLEY})))
+
+(DEFCOMMAND "ls" (FIRST
 . REST) (DODIR (CONS FIRST REST)))
+
+(DEFCOMMAND "pwd" NIL (DIRECTORYNAME T))
+
 (PUTPROPS UNIXUTILS
 FILETYPE
 CL:COMPILE-FILE)
 (DECLARE%: DONTCOPY
-  (FILEMAP (NIL (1207 1580 (ShellCommand 1207 . 1580)) (1582 1979 (ShellWhich 1582 . 1979)) (2089 21694 
-(ShellBrowser 2099 . 3871) (ShellBrowse 3873 . 4558) (ShellOpener 4560 . 6248) (ShellOpen 6250 . 12197
-) (PROCESS-COMMAND 12199 . 12812) (SLASHIT 12814 . 16126) (UNIX-FILE-NAME 16128 . 20013) (
-UNIX-TMP-FILE-NAME 20015 . 21692)))))
+  (FILEMAP (NIL (1208 1581 (ShellCommand 1208 . 1581)) (1583 1980 (ShellWhich 1583 . 1980)) (2090 21695 
+(ShellBrowser 2100 . 3872) (ShellBrowse 3874 . 4559) (ShellOpener 4561 . 6249) (ShellOpen 6251 . 12198
+) (PROCESS-COMMAND 12200 . 12813) (SLASHIT 12815 . 16127) (UNIX-FILE-NAME 16129 . 20014) (
+UNIX-TMP-FILE-NAME 20016 . 21693)))))
 STOP