Linux Commands

HowTo: Create a Link to a File or a Directory in Linux

How to create a symbolic link to a file or a directory from the Linux command line.

HowTo: Create a Patch Using Diff

How to create a patch file using diff command and how to apply it to an original file or to a whole directory from the Linux command line.

Faking a File's Access, Modify and Change TimeStamps in Linux

How to anonymously change a file's Access (atime), Modification (mtime) and Change (ctime) timestamps in Linux.

HowTo : Clear or Remove Last Login History in Linux

How to clear or remove all the login information on Linux server from the command line.

HowTo : Determine and Change File Character Encoding

How to detect and change a file's character encoding from the command line in Linux. Examples of converting text between: CP1251 (Windows-1251, Cyrillic), UTF-8, ISO-8859-1 and ASCII.

HowTo : TEST Read/Write Speed of a Hard Disk in Linux

How to check read/write speed of a hard disk (HDD, SSD, USB Flash Drive) from the Linux command line using «dd» and «hdparm» on Linux Mint, Ubuntu, Debian, CentOS, RHEL.

Adding Cron Jobs in Linux - Crontab Usage and Examples

This article shows how to schedule a cron job in Linux, shows the format (syntax) of scheduling jobs in crontab and provides some examples of cron tasks.