Find command exercises ' small trial sledgehammer '

Exercise: 1. Find all files or directories in the/var/directory that are subordinate to the root and belong to the group Mail   [[email protected] ~]# find /var/  -user root -group mail -ls263443    4 drwxrwxr-x    2 root     mail         4096  AUG  7 09:10 /VAR/SPOOL/MAIL264398    4 -RW-RW----    1 root     mail          1924 JUL 31 16:45 /VAR/SPOOL/MAIL/JAY264569   72 -RW-------    1 root     mail         67044 aug  7 09:10 /var/spool/mail/root2. Find all files or directories in the/usr/directory that do not belong to Root,bin or Hadoop In two ways,   1. [[email protected] ~]# find /usr/ -not -user root -a -not - User bin&nbsP;-a -not -user hadoop  2. [[Email protected] ~]# find /usr/  -not \ ( -user root -o  -user bin -o -user jay \) 3. Find a file or directory in the last week of the/etc/directory whose content has been modified and is not the root user or Hadoop    [[email protected] ~]# find /etc/  -mtime -7 -a  -not -user root -a -not -user jay4. Find files or directories on the current system that do not have a master or a group and have been visited in the last week  [ [email protected] ~]# find / -atime -7 -a -nouser -a - Nogroup -ls 5. Find all files that are larger than 1M in the/etc/directory and are of the normal file type  [[email protected] ~]# find /etc/  -size +1m -a -type f -exec ls -lh {} \;6. Finding/etc/ Files in directory where all users do not have write permission      "Look in the opposite direction"   [[email protected] ~]# find / Etc -not -perm /222 -type f -ls7. Find/etc directory at least one class of users who do not have permission to execute   [[Email protected] ~]# find /etc -not -perm -111 -type f -ls  8. Find/etc/init.d  directory, all users are executed by permission, and other users have write permission to all files      find linked files must add/  [[ Email protected] ~]# find /etc/init.d/ -perm -113 -type -f -ls  9. Find the owner must be a CentOS group of user1  or the    master is CentOS and the name is F5              [[email protected] sbin]# ll total 0-rw-r--r--.  1  jay    jay    0 aug 12 16:55 f1-rw-r--r--.  1 centos user1  0 aug 12 16:55 f2-rw-r--r--.  1 root    root   0 aug 12 16:55 f3-rw-r--r--.  1 centos  centos 0 aug 12 16:57 f4-rw-r--r--.  1 centos user2  0  aug 12 16:57 f5 [[email protected] sbin]# find -user centos -a \ ( - group user1 -o -name f5 \)  -ls 1050330    0 - rw-r--r--   1 centos   user1            0 aug 12 16:55 ./f21050333    0 - rw-r--r--   1 centos   user2            0 aug 12 16:57 ./f5

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Find command exercises ' small trial sledgehammer '