命令如下:
[root@server mnt]# tar zcf log_$(date +%F).tar.gz /var/log/
tar: Removing leading `/' from member names
[root@server mnt]# ls
log_2018-12-22.tar.gz test.sh westos.sh
[root@server mnt]# tar zcf log_$(date +%F).tar.gz /var/log/
tar: Removing leading `/' from member names
[root@server mnt]# ls
log_2018-12-22.tar.gz test.sh westos.sh