head 查看文件的开头内容¶
head 命令用于查看文件开头部分的内容,默认为前 10 行的内容。
命令格式:¶
head [OPTION]... [FILE]...
常用选项:¶
-n, --lines=[-]NUM
指定查看的行数
-q, --quiet, --silent
不显示文件名
使用实例:¶
# 默认输出
[Linux]$ head /etc/samba/smb.conf
[global]
map to guest = Bad User
log file = /var/log/samba/%m
log level = 1
[guest]
path = /mnt/samba/
read only = no
guest ok = yes
guest only = yes
# 指定显示行数
[Linux]$ head -n 3 /etc/samba/smb.conf
[global]
map to guest = Bad User
log file = /var/log/samba/%m