Linux exam easy to forget command

This is a note for the exam.

　　

MV command can be moved can be renamed

1 MV a/test    // move A To test folder 2 mv a b         // rename A to B

　

Soft links and hard-link creation

1 ln-s profile a    //profiles Create a soft link a2 ln        /b// profile file creates a hard link B

Find Files

1 Find NewFile    // Find files with name NewFile

Compiling the C language code

1 vim hello.c               // I have written a C language file 2 gcc-g hello.c-o a     //  Compile this file into a3 ./a                           // run a

　　

Create a new user User01, and set its home directory to/home/user01

1 useradd-d/home/user01-m User01

Set a password for a user

1 passwd User01

Lock, Unlock, rename

1 passwd-l user01                 // Lock user 2 passwd-u user01                // unlock user  3 usermod-l user02 user01    // renamed User01 to User02     

View users and groups for this information

CAT/ETC/PASSWD       // user   Cat/etc/shadow       // user cat/etc/ GPASSWD      // Group

Group

1 groupadd stuff      //  Create a new group, stuff2 useradd–g stuff–g stuff user02   //
     Create a new account User02 and set his start and subordinate groups to stuff3 gpasswd stuff     // Group stuff setting Group password 4 gpasswd–d user02 stuff   // Delete user user02 in group stuff5 Groupdel Stuff             // Delete group

　　

　　

Linux exam easy to forget command