best linux distro

convert their names to uppercase and save them to the/tmp/etc.conf file.ls/etc | grep '. conf$ ' | Tr ' A-Z ' A-Z ' >/tmp/etc.conf7. Displays the total number of sub-directories or files in the/var directory.[Email protected] ~]# Ls/var |wc-w21st8. Remove the names of the 10 groups with the smallest number of the third field in the/etc/group file.[Email protected] ~]# cat/etc/group |sort-t:-n-k3|head-10|cut-d:-f1RootBinDaemonSyscd/TtyDiskLpMemKmem9, the contents of the/etc/fstab and/etc/issue f

10 group with the lowest value in the third field in the/etc/group fileCommand: sort-t:-k3-n/etc/group | Cut-d:-f1 | Head 9, the contents of the/etc/fstab and/etc/issue files are merged into the same content and saved to the/tmp/etc/test file.Command: cat/etc/fstab/etc/issue >/tmp/etc.test 10. Please summarize how to use the user group management commands and complete the exercise:(1), create group distro, its GID is 2016;Command: Groupad

Related exercises for Linux user and Group management commands:1, create a user Mandriva, whose ID number is 2002, the basic Group is distro (group ID 3003),The attachment group is Linux:#groupadd-G 3003 distro#groupadd Linux#useradd-u 2002-g 3003-g

time-I: Inactive time-M: Minimum period of use-M: Maximum lifespan-W: Warning timePractice: Create a user Mandriva with an ID number of 2002, a base group of distro (group ID 3003), and an additional group of Linux #:groupadd-g 3003 distro#:groupadd Linux#:useradd-u 2002-g

/etc/login.defs file, you can set the information when the user adds13.id command--View user's attribute information-U: View UID-G: View GID-G: View additional group GID-N: View Group name14.pwck--Checking user account Integrity15.chage--Changing the user password expiration time -D: Last modification time-E: Expiration time-I: Inactive time-M: Minimum period of use-M: Maximum lifespan-W: Warning timePractice:1, create a user Mandriva, whose ID number is 2002, the basic Group is

in the/var directory.[Email protected] ~]$ ll-a/var |wc-l8. Remove the names of the 10 groups with the smallest number of the third field in the/etc/group file.[Email protected] ~]$ cat/etc/group |sort-t:-k3-n-r | Tail-109, the contents of the/etc/fstab and/etc/issue files are merged into the same content and saved to the/tmp/etc.test file. [Email protected] ~]$ cat/etc/fstab/etc/issue >>/tmp/etc.test10. Summarize the methods used to describe the user and group management commands and complete

(5), findfs (8), mount (8) and/orblkid (8) for moreinfo#/dev/mapper/VolGroup-lv_root/ ext4 defaults11uuid= 5d921146-c901-4504-8266-21e100ccb7a3/boot ext4defaults 12/dev/mapper/VolGroup-lv_home/home nBsp;ext4defaults1 2/dev/mapper/VolGroup-lv_swapswap swapdefaults 00tmpfs /dev/shm tmpfsdefaults 00devpts /dev/pts devptsgid=5,mode=62000sysfs /sys sysfsdefaults 00proc /proc proc defaults00CentOSrelease6.8 (Final ) kernel\ronan\m[[emailprotected]~]#10. Summarize the methods used to describe the user

,... : Set up a list of users with administrative rights(1), create group distro, its GID is 2016;[Email protected] ~]# groupadd-g distro(2), create user Mandriva, whose ID number is 1005; basic group is distro;[Email protected] ~]# useradd-u 1005-g distro Mandriva(3), create user Mageia, whose ID number is 1100, home

distro Mandriva(3), create user Mageia, whose ID number is 1100, home directory is/home/linux;Useradd-u 1100-d/home/linux Mageia(4), to the user mageia add password, password for mageedu;echo "Mageedu" | passwd--stdin Mageia(5), delete Mandriva, but retain their home directory;Userdel Mandriva(6), create user Slackware, its ID number is 2002, the basic group is

system. Here free refers not only to money, but also to freedom of speech. This means that the source code of Linux can be researched and modified by everyone, you can even copy your favorite code for sharing. Free Software Compared with Windows and mac OS x, Windows OS X is not open-source, which means that users cannot systematically learn and freely allocate resources. One of the main reasons for the openness of

openness of Linux is the success of the derivative version of the Linux operating system. The early open-source technology enabled many individuals and enterprises to build their own Linux derivative versions. 3. What is the Linux release?The so-called release version (distro