Comandos de la terminal/free

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free

[rrc@Llawyr ~]$ free --help
free: invalid option -- '-'
usage: free [-b|-k|-m|-g] [-l] [-o] [-t] [-s delay] [-c count] [-V]
  -b,-k,-m,-g show output in bytes, KB, MB, or GB
  -l show detailed low and high memory statistics
  -o use old format (no -/+buffers/cache line)
  -t display total for RAM + swap
  -s update every [delay] seconds
  -c update [count] times
  -V display version information and exit

[rrc@Llawyr ~]$ su -
Password: 
[root@Llawyr ~]# rpm -qf $( which free )
procps-3.2.8-6.2.mga3

[root@Llawyr ~]# free -V
procps version 3.2.8

[root@Llawyr ~]# free
             total       used       free     shared    buffers     cached
Mem:      12259680    2215120   10044560          0      73584    1027480
-/+ buffers/cache:    1114056   11145624
Swap:     15357556          0   15357556

[root@Llawyr ~]# free -b
             total       used       free     shared    buffers     cached
Mem:    12553912320 2269556736 10284355584          0   75378688 1052143616
-/+ buffers/cache: 1142034432 11411877888
Swap:   15726137344          0 15726137344

[root@Llawyr ~]# free -k
             total       used       free     shared    buffers     cached
Mem:      12259680    2215036   10044644          0      73592    1027480
-/+ buffers/cache:    1113964   11145716
Swap:     15357556          0   15357556


[root@Llawyr ~]# free -m
             total       used       free     shared    buffers     cached
Mem:         11972       2115       9856          0         71       1003
-/+ buffers/cache:       1040      10932
Swap:        14997          0      14997

[root@Llawyr ~]# free -g
             total       used       free     shared    buffers     cached
Mem:            11          2          9          0          0          0
-/+ buffers/cache:          1         10
Swap:           14          0         14

[root@Llawyr ~]# free -l
             total       used       free     shared    buffers     cached
Mem:      12259680    2166452   10093228          0      73656    1027620
Low:      12259680    2166452   10093228
High:            0          0          0
-/+ buffers/cache:    1065176   11194504
Swap:     15357556          0   15357556

[root@Llawyr ~]# free -t
             total       used       free     shared    buffers     cached
Mem:      12259680    2104876   10154804          0      73680    1027620
-/+ buffers/cache:    1003576   11256104
Swap:     15357556          0   15357556
Total:    27617236    2104876   25512360

[root@Llawyr ~]# free -s 2 -c 3
             total       used       free     shared    buffers     cached
Mem:      12259680    2105984   10153696          0      73728    1027756
-/+ buffers/cache:    1004500   11255180
Swap:     15357556          0   15357556

             total       used       free     shared    buffers     cached
Mem:      12259680    2106120   10153560          0      73736    1027748
-/+ buffers/cache:    1004636   11255044
Swap:     15357556          0   15357556

             total       used       free     shared    buffers     cached
Mem:      12259680    2105868   10153812          0      73736    1027760
-/+ buffers/cache:    1004372   11255308
Swap:     15357556          0   15357556