groupdel is a command-line tool in Linux and UNIX-like operating systems that is used to delete an existing group from the system. A group in Linux is a way to manage access to resources on the system, such as files and directories, by allowing you to assign permissions to users based on their group membership.

Here are a few examples of how to use the groupdel command:

1. Delete an existing group:

groupdel existinggroup

This command deletes the group “existinggroup” from the system.

2. Delete a system group :

groupdel -r existinggroup

This command deletes the system group “existinggroup” from the system.

It is important to note that a group cannot be deleted if it’s in use, i.e., if there are still users in the group, so you must remove all users from the group before you can delete it. Also, the groupdel command can only be executed by root or a user with appropriate permissions.

Additionally, when a group is deleted all the resources (files, directories) that were assigned to it will become unassigned. Therefore, it is a good idea to reassign those resources to a different group before deleting a group. You can use the find command to find all files that are assigned to a group and use chgrp command to change the group ownership of files.

Other Linux Commands

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56. expr Command
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58. fc Command
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60. file Command
61. find Command
62. flex Command
63. fold Command
64. fort77 Command
65. fortune Command
66. ftp Command
67. fuser Command
68. gawk Command
69. gencat Command
70. get Command
71. getconf Command
72. getopts Command
73. grep Command
74. groupadd Command
75. groupdel Command
76. groups Command
77. hash Command
78. head Command
79. history Command
80. hostname Command
81. htop Command
82. iconv Command
83. id Command
84. iostat Command
85. ipcrm Command
86. ipcs Command
87. jobs Command
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89. kill Command
90. last Command
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102. lp Command
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106. make Command
107. man Command
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111. mktemp Command
112. more Command
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160. sact Command
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194. tty Command
195. type Command
196. ulimit Command
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198. umount Command
199. unalias Command
200. uname Command
201. uncompress Command
202. unexpand Command
203. unget Command
204. uniq Command
205. unlink Command
206. unset Command
207. unzip Command
208. uptime Command
209. useradd Command
210. userdel Command
211. uucp Command
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229. zip Command
230. Linux Commands and Examples