/tmp下面的文件可以任意删除吗？

我的/tmp下面有很多文件
file-roller.3463.0 qq xses-qizhan.F1hZm2 xses-qizhan.tHqq6S
file-roller.4872.0 rijndael.java.txt xses-qizhan.FhgDDy xses-qizhan.u9LQgF
file-roller.4890.0 ssh-jlAP4508 xses-qizhan.fIEkVi xses-qizhan.uHqufA
file-roller.4931.0 tmp-1.xpi xses-qizhan.Gvj2NZ xses-qizhan.uSiQMU
file-roller.7014.0 tmp-2.xpi xses-qizhan.Hi39PT xses-qizhan.W4t63t
file-roller.7027.0 tmp.xpi xses-qizhan.hStXzA xses-qizhan.Wj0O6o
gconfd-qizhan unpack.log xses-qizhan.Hxs6yT xses-qizhan.wmRsD3
gconfd-root xmms_qizhan.0 xses-qizhan.iyP0oQ xses-qizhan.xBvUYN
gconfd-test xmms_root.0 xses-qizhan.K9PDdu xses-qizhan.XR5gat
hsperfdata_qizhan xses-qizhan.3Cf9Sh xses-qizhan.KAuxN1 xses-qizhan.yaha8w
hsperfdata_root xses-qizhan.55AwIM xses-qizhan.kxRazm xses-qizhan.Yk9cB1
kde-qizhan xses-qizhan.5SN2kO xses-qizhan.Ld78L8 xses-qizhan.yuS0b2
keyring-lbQyFy xses-qizhan.736gIG xses-qizhan.mRSl0X xses-qizhan.YVoJ6S
ksocket-qizhan xses-qizhan.8ZG4TP xses-qizhan.p3InQl xses-qizhan.zWHvl1
mapping-qizhan xses-qizhan.Bw5gPV xses-qizhan.PCDoHe xses-qizhan.zx5Mdj
mapping-root xses-qizhan.cDgO9Q xses-qizhan.PqfRQb xses-root.5kuY2o
mapping-test xses-qizhan.Ckt8FS xses-qizhan.PYCeVx xses-root.yIaGhu
orbit-qizhan xses-qizhan.DoI18y xses-qizhan.qoyHF4 xses-test.Bnyubj
可以删除它们吗？？？？？？？？？？

怎么没人回啊~？？？？

没必要删除，删了它会自己建的