UNIX系统怎么用，常用的命令有哪些

发布时间：2022-11-10 12:56:25 所属栏目：Unix 来源：

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　　UNIX/Linux 常用命令参考2009-11-12 13:00findall the files under /etc directory with mail in the filename.

　　# find /etc -name "*mail*"

　　all the files in the system gre

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　　UNIX/Linux 常用命令参考2009-11-12 13:00findall the files under /etc directory with mail in the filename.

　　# find /etc -name "*mail*"

　　all the files in the system greater than 100MB.

　　# find / -type f -size +100M

　　all the files that were modified more than 60 days ago under the current directory.

　　# find . -mtime +60

　　delete all the archive files with extension *.tar.gz and greater than 100M

　　# find / -type f -name *.tar.gz -size +100M -exec rm -f {} \;

　　archive all the files that are not modified in the last 60 days

　　# find /home/jsmith -type f -mtime +60 | xargs tar -cvf /tmp/`date '+%d%m%Y'_archive.tar`

　　xargs# find ~ -name ‘*.log’ -print0 | xargs -0 rm -f

　　If you have a file with list of URLs that you would like to download,you can use xargs as shown below.

　　# cat url-list.txt | xargs wget –cdate格式化$ date

　　Thu Jan 1 08:19:23 PST 2009

　　$ date +"%d-%m-%Y"

　　01-01-2009

　　$ date +"%d/%m/%Y"

　　01/01/2009

　　# date -s 07/20/2009

　　# date -s 09:20:00

　　crontab设置计划任务cronjobcrontab -l 查看

　　crontab -e 编辑

　　grep (-i ignore case)# grep -i john /etc/passwd

　　jsmith:x:1082:1082:John Smith:/home/jsmith:/bin/bash

　　jdoe:x:1083:1083:John Doe:/home/jdoe:/bin/bash

　　cutDisplay 1st and 3rd field from a colon delimited file

　　$ cut -d: -f 1unix命令行,3 names.txt

　　Emma Thomas:Marketing

　　Alex Jason:Sales

　　Display only the first 8 characters of every line in a file

　　$ cut -c 1-8 names.txt

　　Emma Tho

　　系统服务管理# export LANG='en_US'

　　# setup 进入system service 选项

　　# chkconfig --level 2345 vsftpd on 开机自动启动服务

　　# /sbin/service start

　　# /etc/rc.d/init.d/ {start|stop|restart|condrestart|status}Change system booting level.Edit /etc/inittab file# vi /etc/inittab

　　# Default runlevel. The runlevels used by RHS are:

　　# 0 - halt (Do NOT set initdefault to this)

　　# 1 - Single user mode

　　# 2 - Multiuser, without NFS (The same as 3, if you do not have networking)

　　# 3 - Full multiuser mode

　　# 4 - unused

　　# 5 - X11

　　# 6 - reboot (Do NOT set initdefault to this)

　　#

　　id:3:initdefault:Install VMware Tools

　　2. 以root用户装载VMware Tools虚拟光驱镜像并安装

　　# mount /dev/cdrom /mnt

　　# rpm -Uvh /mnt/VMwareTools-3.5.0-64607.i386.rpm

　　# umount /mnt

　　3. 配置VMware Tools

　　# vmware-config-tools.pl

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