Increase memory:swpd,free,cache to 7 characters
Increase swap:si,so to 5 characters
Increase system:in,cs to 5 characters

Sample output from Pixel 4 phone:
procs ------------memory------------ ----swap--- -----io---- ---system-- 
----cpu----
 r  b    swpd    free   buff   cache    si    so    bi    bo    in    cs us sy 
id wa
 4  0 1111676   87896   6328 2268596  8152 11896 10712 14280     0 25712 31 21 
46  3
17  0 1082788  224292   5972 2213996 73220 68908  2432  3948     1 26611 41 38 
22  0
 6  0 1127316  203196   5972 2225164  8980 53996 11796   788     0 25200 33 22 
45  1
 0  0 1133072  200984   5972 2225280   416  6260    52    88     0  8543 10  6 
84  0
 2  0 1128976  196976   5972 2225692  3588     0   340   800     0  5243  5  4 
91  0
---
 toys/other/vmstat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/toys/other/vmstat.c b/toys/other/vmstat.c
index 44f73d49..d5cf5691 100644
--- a/toys/other/vmstat.c
+++ b/toys/other/vmstat.c
@@ -78,7 +78,7 @@ void vmstat_main(void)
   int i, loop_delay = 0, loop_max = 0;
   unsigned loop, rows = 25, page_kb = sysconf(_SC_PAGESIZE)/1024;
   char *headers="r\0b\0swpd\0free\0buff\0cache\0si\0so\0bi\0bo\0in\0cs\0us\0"
-                "sy\0id\0wa", lengths[] = {2,2,6,6,6,6,4,4,5,5,4,4,2,2,2,2};
+                "sy\0id\0wa", lengths[] = {2,2,7,7,6,7,5,5,5,5,5,5,2,2,2,2};
 
   memset(top, 0, sizeof(top));
   if (toys.optc) loop_delay = atolx_range(toys.optargs[0], 0, INT_MAX);
@@ -98,7 +98,7 @@ void vmstat_main(void)
       if (!(toys.optflags&FLAG_n) && isatty(1)) terminal_size(0, &rows);
       else rows = 0;
 
-      printf("procs -----------memory---------- ---swap-- -----io---- 
-system-- ----cpu----\n");
+      printf("procs ------------memory------------ ----swap--- -----io---- 
---system-- ----cpu----\n");
       for (i=0; i<sizeof(lengths); i++) {
         printf(" %*s"+!i, lengths[i], header);
         header += strlen(header)+1;
-- 
2.26.2.761.g0e0b3e54be-goog

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