how to view log files in unix

■ How to view various database data files? 1) view data filesSQL> select file_name, Bytes/(1024*1024) M0 from dba_data_files;2) view the control fileSQL> select name, status from V $ controlfile;3) view log filesSQL> select g

When you need to view the header or tail of a text file, the head command and tail command can easily complete this operation. The head command is used to view the beginning of a text file, while the tail command is used to display the last few lines of the text file. The two commands are as follows:Head example.txt displays the top 10 lines of example.txt;Head-N 20 example.txt displays the first 20 rows of

Tags: target blog get log self-learning Linux view command inux file Linux commandClick Back to learn the path of the Linux command line and shell script3.6-Files View command file cat more less tail headlsThe command is used to display a list of file directories, Windows similar to the commands under the system DOS di

Git: Configure identity and query, create a code repository, view files in the repository, and share commands. git Repository 1. Configure identity and query Git config -- glocal user. name "me" git config -- glocal user. email "A@me.c" 2. Create a code repository Cd aa/bb/ Git init 3. view files in the

1. trace file introduction: Trace file is a subsequent text file of TRC, which records various SQL operations and the time consumed, based on the trace file, we can understand which sqls lead to system performance bottlenecks and adopt appropriate methods for optimization.2. How to generate trace file: 1.First, use sqlplus to log on to Oracle. Show parameter SQL _trace Name type value ------------------------------------------- SQL _trace Boolean fals

　　1, first open your already registered GitHub, log in later to jump to the following page, then select the file you want to view2, open the file, and then jump to the following interface, click on the interface settings3, then in the click Setting after the page appears down, pull to the following position click Choose a Theme button4, then go to the next page click on the Select Theme button5, then it will return to the previous page, and generate a