# linux

- [Reference](/til/os/unix/reference.md)
- [ubuntu-specific](/til/os/unix/ubuntu-specific.md)
- [Upgrading Ubuntu](/til/os/unix/ubuntu-specific/upgrading-ubuntu.md)
- [Check Ubuntu Version](/til/os/unix/ubuntu-specific/check-ubuntu-version.md)
- [Config ubuntu 20.04 vm for rdp](/til/os/unix/ubuntu-specific/config-ubuntu-20.04-vm-for-rdp.md)
- [alias](/til/os/unix/alias.md)
- [Ignore The Alias When Running A Command](/til/os/unix/alias/ignore-the-alias-when-running-a-command.md)
- [crypto](/til/os/unix/crypto.md)
- [Generate A SAML Key And Certificate Pair](/til/os/unix/crypto/generate-a-saml-key-and-certificate-pair.md)
- [datetime](/til/os/unix/datetime.md)
- [Figure Out The Week Of The Year From The Terminal](/til/os/unix/datetime/figure-out-the-week-of-the-year-from-the-terminal.md)
- [Show Current System Time And Settings](/til/os/unix/datetime/show-current-system-time-and-settings.md)
- [Configure Your Server Timezone](/til/os/unix/datetime/configure-your-server-timezone.md)
- [Get The Unix Timestamp](/til/os/unix/datetime/get-the-unix-timestamp.md)
- [Touch Access And Modify Times Individually](/til/os/unix/datetime/touch-access-and-modify-times-individually.md)
- [Format And Print The Current Date And Time](/til/os/unix/datetime/format-and-print-the-current-date-and-time.md)
- [disk](/til/os/unix/disk.md)
- [Display Free Disk Space](/til/os/unix/disk/display-free-disk-space.md)
- [Show Disk Usage For The Current Directory](/til/os/unix/disk/show-disk-usage-for-the-current-directory.md)
- [directory](/til/os/unix/directory.md)
- [Change To That New Directory](/til/os/unix/directory/change-to-that-new-directory.md)
- [Check The Current Working Directory](/til/os/unix/directory/check-the-current-working-directory.md)
- [Configure cd To Behave Like pushd In Zsh](/til/os/unix/directory/configure-cd-to-behave-like-pushd-in-zsh.md)
- [Display The Contents Of A Directory As A Tree](/til/os/unix/directory/display-the-contents-of-a-directory-as-a-tree.md)
- [Copying Nested Directories With Ditto](/til/os/unix/directory/copying-nested-directories-with-ditto.md)
- [Globbing For Filenames In Zsh](/til/os/unix/directory/globbing-for-filenames-in-zsh.md)
- [Globbing For All Directories In Zsh](/til/os/unix/directory/globbing-for-all-directories-in-zsh.md)
- [Use fzf To Change Directories](/til/os/unix/directory/use-fzf-to-change-directories.md)
- [Show The Size Of Everything In A Directory](/til/os/unix/directory/show-the-size-of-everything-in-a-directory.md)
- [List The Stack Of Remembered Directories](/til/os/unix/directory/list-the-stack-of-remembered-directories.md)
- [file](/til/os/unix/file.md)
- [Copying File Contents To System Paste Buffer](/til/os/unix/file/copying-file-contents-to-system-paste-buffer.md)
- [Do Not Overwrite Existing Files](/til/os/unix/file/do-not-overwrite-existing-files.md)
- [File Type Info With File](/til/os/unix/file/file-type-info-with-file.md)
- [Find Files With fd](/til/os/unix/file/find-files-with-fd.md)
- [Find Newer Files](/til/os/unix/file/find-newer-files.md)
- [Get Matching Filenames As Output From Grep](/til/os/unix/file/get-matching-filenames-as-output-from-grep.md)
- [Hexdump A Compiled File](/til/os/unix/file/hexdump-a-compiled-file.md)
- [List Files Ordered By Modification Date](/til/os/unix/file/list-files-ordered-by-modification-date.md)
- [List Names Of Files With Matches](/til/os/unix/file/list-names-of-files-with-matches.md)
- [List Stats For A File](/til/os/unix/file/list-stats-for-a-file.md)
- [Create A File Descriptor with Process Substitution](/til/os/unix/file/create-a-file-descriptor-with-process-substitution.md)
- [Print Out Files In Reverse](/til/os/unix/file/print-out-files-in-reverse.md)
- [Securely Remove Files](/til/os/unix/file/securely-remove-files.md)
- [Print A Range Of Lines For A File With Bat](/til/os/unix/file/print-a-range-of-lines-for-a-file-with-bat.md)
- [http](/til/os/unix/http.md)
- [Curl With Cookies](/til/os/unix/http/curl-with-cookies.md)
- [Curling For Headers](/til/os/unix/http/curling-for-headers.md)
- [Curling With Basic Auth Credentials](/til/os/unix/http/curling-with-basic-auth-credentials.md)
- [history](/til/os/unix/history.md)
- [Jump To The Ends Of Your Shell History](/til/os/unix/history/jump-to-the-ends-of-your-shell-history.md)
- [Last Argument Of The Last Command](/til/os/unix/history/last-argument-of-the-last-command.md)
- [Global Substitution On The Previous Command](/til/os/unix/history/global-substitution-on-the-previous-command.md)
- [Search History](/til/os/unix/history/search-history.md)
- [java](/til/os/unix/java.md)
- [List The Available JDKs](/til/os/unix/java/list-the-available-jdks.md)
- [networking](/til/os/unix/networking.md)
- [Check If A Port Is In Use](/til/os/unix/networking/check-if-a-port-is-in-use.md)
- [Kill Everything Running On A Certain Port](/til/os/unix/networking/kill-everything-running-on-a-certain-port.md)
- [Map A Domain To localhost](/til/os/unix/networking/map-a-domain-to-localhost.md)
- [List Of Sessions To A Machine](/til/os/unix/networking/list-of-sessions-to-a-machine.md)
- [package management](/til/os/unix/package-management.md)
- [Get Repo's](/til/os/unix/package-management/get-repos.md)
- [Hold package version - do not upgrade](/til/os/unix/package-management/hold-package-version-do-not-upgrade.md)
- [Install a Specific Version of Package](/til/os/unix/package-management/install-a-specific-version-of-package.md)
- [Switch Versions of a Brew Formula](/til/os/unix/package-management/switch-versions-of-a-brew-formula.md)
- [Switch between Local & remote packages](/til/os/unix/package-management/switch-between-local-and-remote-packages.md)
- [process](/til/os/unix/process.md)
- [PID Of The Current Shell](/til/os/unix/process/pid-of-the-current-shell.md)
- [Open The Current Command In An Editor](/til/os/unix/process/open-the-current-command-in-an-editor.md)
- [List Parent pid With ps](/til/os/unix/process/list-parent-pid-with-ps.md)
- [Check If Command Is Executable Before Using](/til/os/unix/process/check-if-command-is-executable-before-using.md)
- [Exclude Certain Files From An rsync Run](/til/os/unix/process/exclude-certain-files-from-an-rsync-run.md)
- [List The Statuses Of All Upstart Jobs](/til/os/unix/process/list-the-statuses-of-all-upstart-jobs.md)
- [Do A Dry Run Of An rsync](/til/os/unix/process/do-a-dry-run-of-an-rsync.md)
- [Where Are The Binaries?](/til/os/unix/process/where-are-the-binaries.md)
- [Watch This Run Repeatedly](/til/os/unix/process/watch-this-run-repeatedly.md)
- [shells](/til/os/unix/shells.md)
- [Change Default Shell For A User](/til/os/unix/shells/change-default-shell-for-a-user.md)
- [terminal](/til/os/unix/terminal.md)
- [Clear The Screen](/til/os/unix/terminal/clear-the-screen.md)
- [Cat Files With Color Using Bat](/til/os/unix/terminal/cat-files-with-color-using-bat.md)
- [Display All The Terminal Colors](/til/os/unix/terminal/display-all-the-terminal-colors.md)
- [Cat A File With Line Numbers](/til/os/unix/terminal/cat-a-file-with-line-numbers.md)
- [Less With Style](/til/os/unix/terminal/less-with-style.md)
- [View A Web Page In The Terminal](/til/os/unix/terminal/view-a-web-page-in-the-terminal.md)
- [Undo Some Command Line Editing](/til/os/unix/terminal/undo-some-command-line-editing.md)
- [Command Line Length Limitations](/til/os/unix/terminal/command-line-length-limitations.md)
- [Saying Yes](/til/os/unix/terminal/saying-yes.md)
- [Watch The Difference](/til/os/unix/terminal/watch-the-difference.md)
- [string](/til/os/unix/string.md)
- [Repeat Yourself](/til/os/unix/string/repeat-yourself.md)
- [ssh](/til/os/unix/ssh.md)
- [Killing A Frozen SSH Session](/til/os/unix/ssh/killing-a-frozen-ssh-session.md)
- [Forward Multiple Ports Over SSH](/til/os/unix/ssh/forward-multiple-ports-over-ssh.md)
- [SSH Escape Sequences](/til/os/unix/ssh/ssh-escape-sequences.md)
- [Specify The Language For A File With Bat](/til/os/unix/ssh/specify-the-language-for-a-file-with-bat.md)
- [SSH With Port Forwarding](/til/os/unix/ssh/ssh-with-port-forwarding.md)
- [search/query](/til/os/unix/search-query.md)
- [Count The Number Of Matches In A Grep](/til/os/unix/search-query/count-the-number-of-matches-in-a-grep.md)
- [Enable Multi-Select Of Results With fzf](/til/os/unix/search-query/enable-multi-select-of-results-with-fzf.md)
- [Exclude A Directory With Find](/til/os/unix/search-query/exclude-a-directory-with-find.md)
- [Find A File Installed By Brew](/til/os/unix/search-query/find-a-file-installed-by-brew.md)
- [Grep For Files With Multiple Matches](/til/os/unix/search-query/grep-for-files-with-multiple-matches.md)
- [Grep For Multiple Patterns](/til/os/unix/search-query/grep-for-multiple-patterns.md)
- [Grep For Files Without A Match](/til/os/unix/search-query/grep-for-files-without-a-match.md)
- [Partial String Matching In Bash Scripts](/til/os/unix/search-query/partial-string-matching-in-bash-scripts.md)
- [Only Show The Matches](/til/os/unix/search-query/only-show-the-matches.md)
- [Search Files Specific To A Language](/til/os/unix/search-query/search-files-specific-to-a-language.md)
- [Search Man Page Descriptions](/til/os/unix/search-query/search-man-page-descriptions.md)
- [Show A File Preview When Searching With FZF](/til/os/unix/search-query/show-a-file-preview-when-searching-with-fzf.md)
- [Use Regex Pattern Matching With Grep](/til/os/unix/search-query/use-regex-pattern-matching-with-grep.md)
- [Skip Paging If Output Fits On Screen With Less](/til/os/unix/search-query/skip-paging-if-output-fits-on-screen-with-less.md)
- [Sort In Numerical Order](/til/os/unix/search-query/sort-in-numerical-order.md)
- [user](/til/os/unix/user.md)
- [List All Users](/til/os/unix/user/list-all-users.md)
- [variables](/til/os/unix/variables.md)
- [All The Environment Variables](/til/os/unix/variables/all-the-environment-variables.md)
- [Compare Two Variables In A Bash Script](/til/os/unix/variables/compare-two-variables-in-a-bash-script.md)
- [Provide A Fallback Value For Unset Parameter](/til/os/unix/variables/provide-a-fallback-value-for-unset-parameter.md)
- [Check If The First Argument Is Given](/til/os/unix/variables/check-if-the-first-argument-is-given.md)
