tail命令
查看文件的末尾10行
[root@localhost test]# vim log_file line1 line2 line3 line4 line5 Hello World - line 6 line7 line8 line9 line10 line11 Hello again - line 12 line13 line14 line15 Sweet - line16 line17 line18 line19 Last line - line20
使用tail命令查看
[root@localhost test]# tail log_file |cat -n 1 line11 2 Hello again - line 12 3 line13 4 line14 5 line15 6 Sweet - line16 7 line17 8 line18 9 line19 10 Last line - line20
-n 查看指定行数
[root@localhost test]# tail -n 3 log_file |cat -n 1 line18 2 line19 3 Last line - line20 [root@localhost test]# tail -3 log_file |cat -n 1 line18 2 line19 3 Last line - line20
-f 实时查看文件的变化
[root@localhost test]# tail -f log_file line11 Hello again - line 12 line13 line14 line15 Sweet - line16 line17 line18 line19 Last line - line20
...
tailf命令 相当于tail -f
[root@localhost test]# tailf log_file line11 Hello again - line 12 line13 line14 line15 Sweet - line16 line17 line18 line19 Last line - line20
head命令
查看文件前10行内容，参数基本和tail相同