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 Basic usage chmod MODE,MODE FILE In Linux, file and directory permissions can be modified in two different ways using the chmodcommand with symbolic format or with numeric format Symbolic Format The format of a symbolic mode is ugoa=PERMS Chmod (change mode) is one of the most frequently used commands in unix or linux operating system The chmod command is used to change the file or directory access permissions To know about the access permissions of a file or directory, use the ls l command as shown below $ ls l samplesh rwxrwr 1 matt deploy 94 samplesh Linux chmod command numerical commands In the old days that's the way I learned to assign file permissions These days you can do the same thing with numbers When using numerical chmod commands you use a sequence of three numbers, and the numbers again correspond to the user, group, and owner of the file Here are some numerical chmod command 11 Popular Unix Linux Chmod Command Examples To Change File Permissions Cyberithub Chmod co...