Common linux commands (1)

Touch create file mkdir create folder rm delete file mv move File/modify file name useraddusername add user chmod change file permission chown change file user chgrn... info & nbsp; | & nbsp; touch create file mkdir create folder rm delete file mv move File/modify file name useradd username add user chmod change file permission chown change file user chgrn change file user group umask view file permission which search command file directory whereis search command file directory and find command file find path keyword search so command and file-name keyword * match any character? Match a single character "find/ect-name str *-size". the file size is greater than + smaller than-. The value is a block (data block) 512 bytes = 0.5 k find/ect-size + 10240-user file owner find/ect-user username time-in-time + greater than find/etc ctime-1-ctime-atime-mtime day-cmin -amin-mmin minutes c-change changes the file's attributes. modified a-access file, accessed m-modify, modified file content, modified-a and logic, and-o or logic or-exec find .... -exec command {}\;{} find query result \ escape character; end find .... -exec rm {}\;-The inum I node locate searches for strings in the grep search file in the system file library, and display the number of lines of the string man View command help document man lsinfo view command help document man lswhatis view command usage apropos view command usage author qqdenghaigui