linux tail log file continuously

Cat, more, and less are commonly used. In addition, if you want to view a large file (several hundred MB), but we only need the following lines of words, you need to use the tail command, Tac command can also be used for this purpose. CatSyntax for displaying file content starting from the first line: CAT [-abeensttuv] [-- help] [-- version] filenameNote: connec

In Linux, you can use the tail command to create a self-decompressed tar file-general Linux technology-Linux technology and application information. The following is a detailed description. The Tail command parameter contains the-

text must be written in a logical page.Each logical page has a header, a body, and a footer section (which can have an empty section).Unless you use the-P flag, the NL command re-sets the line number where each logical page begins. Row calculation flags can be set separately for header, body, and footer sections (for example, header and footer lines can be computed but text lines cannot).Usage examples:Example one: List the contents of Log2012.log wi

File Content Lookup1.CAT Displays the contents of the file starting from the first line2.TAC: Starting from the last line, you can see that the TAC is the write-down form of cat.3.nl: When displayed, by the way output line number;4.more: Page-by-page display of file contents5.less: Similar to more, but better than more, it can page forward6.head: Only a few lines

Tags: display loop read standard ctrl TTL post refresh view file nameTail display text Footer command English intent Tail Command format tail[必要参数][选择参数][文件] Command function The tail command writes the file to standard output starting at

Cat View Text File contents-B: Blank lines are not included for each line number-N: Numbering All Lines[[Email protected]host01 tmp]#Cat-an/root/anaconda-ks.cfg1# Kickstartfileautomatically generated by anaconda.$2 $ 3#version =devel$4 Install$ 5cdrom$6Lang en_US. utf-8$ 7Keyboard US $8Network--onboot no--device eth0--bootproto DHCP--noipv6$9ROOTPW--iscrypted $6$WcPbmXB 0j/pnloqb$m8f5tabogq.ipht4kkkx4eyrqfl3d629ggzc3ryvp68h8mxfham.ea

=never not display color (always display color, Auto automatically judge)LS--full-time output in full time mode(2) Copy, delete and move (CP,RM,MV)Cp-a/var/log/wtmp wtmp_test Copy all of the file's features pastCp/var/log/wtmp. Copy to current directoryCp-i if the target file exists, the overwrite asks for the actionCp-p is copied along with the

Command name: TouchFeatures: New filedirectory where the command is located:/bin/touchUsage: Touch file nameCommand name: CatFunction: Display file contentsdirectory where the command is located:/bin/catUsage: Cat [-n] File nameParameters:-N Display Line numberOther: If the file information is longer, only the followin

Cat: displays text content starting with the first line Tac: displays text from the last line NL: displays the row number. More: displays the file content one page at a time. Less: similar to more, but better than more, you can flip the page forward Head: only the first few lines Tail: only the last few rows OD: Read File Content in binary mode Cat [-abentv] -A

Tags: Display service Special Search dynamic display cannot space function BSPTouch/bin/touch Creating an empty fileLinux Create files can use special symbols, exceptTouch test Test1 created two filesTouch "Test Test1" creates a file with spaces in the file nameTouch ' Test test1 ' created a file with spaces in the file