search:linux shell script if not相關網頁資料

      • www.study-area.org
        學習 Linux 前言 Linux System Linux Servers X Window System Linux Embedded System 結語 舊版本 (RH6.2) 我的 Linux 學習觀 www.study-area.org © 2001 Netman 網中人 ...
        瀏覽:790
      • www.cyberciti.biz
        thnx for this info noobs like us are always looking for simple clean command lines i created a script that cleans/delete logfiles but could not test it using the simple bash filename.sh i could test it added the cronjob after that and it all works fine #!
        瀏覽:684
    瀏覽:874
    日期:2024-09-05
    Shell scripts are short programs that are written in a shell programming language and interpreted by a shell process. They are extremely useful for automating tasks on Linux and other Unix-like operating systems. A shell is a program that provides the tra...
    瀏覽:1227
    日期:2024-09-05
    Many system administrators would prefer to use an automated installation method to install Red Hat Enterprise Linux on their machines. To answer this need, Red Hat created the kickstart installation method. Using kickstart, a system administrator can crea...
    瀏覽:1435
    日期:2024-09-05
    The TEST-COMMAND list is executed, and if its return status is zero, the ... More information about this subject can be found in the Bash documentation. ... valid UNIX command, any executable program, any executable shell script or any shell ......
    瀏覽:650
    日期:2024-09-04
    Bash shell scripts directory for Linux / UNIX, organized by topic into categories. ... A simple shell script wrapper to start / stop / restart NFSv4 service on CentOS / RHEL v.6.x server in a particular order. This script also demonstrates how to use the ...
    瀏覽:410
    日期:2024-09-04
    Linux check if file empty or not - a sample shell command and script to check that file is empty or has data in it under bash / ksh / sh UNIX / Linux / OS X shell....
    瀏覽:1261
    日期:2024-09-03
    2008年9月12日 - What command can be used to check if a directory does or does not ... To check if a directory exists in a shell script you can use the following:...
    瀏覽:1122
    日期:2024-09-08
    I would like to have the echo command executed when cat /etc/passwd | grep " sysa" is not true. What am I doing wrong? if ! [ $(cat /etc/passwd ......
    瀏覽:311
    日期:2024-09-05
    12 Mar 2010 ... Logical not (!) is boolean operator, which is used to test whether expression is true or not. For example, if file not exists, then display an error on ......